👉 TAP TO SAVE 30% WITH CODE NEW
X
Lost password?

Don't have an account?
Gain Access Now

X

Receive free daily analysis

NFL
NBA
NHL
NASCAR
CFB
MLB
MMA
PGA
ESPORTS
BETTING

Already have an account? Log In

X

Forgot Password


POPULAR FANTASY TOOLS

Expert Advice
Articles & Tools
Import Your Leagues
Draft Rankings
Draft Simulator
Enter League Settings
Compare Any Players
Rookies & Call-Ups
24x7 News and Alerts

Digging Deeper: NL-Only Waiver Report for Week 16 (Triple-A Edition)

Read about deeper fantasy baseball waiver wire pickups and sleepers for NL-Only leagues. Jon Denzler identifies players to target, pickup, or stash for week 16.

Every week in baseball, a significant player will hit the disabled list, slip into a slump, or get traded out of a good spot. How fantasy owners adapt to these situations can make or break the season as a whole. One lousy add might not hurt the long-term standing of a team, but failing to take advantage of breakouts or impact bats before others sure can.

The primary challenge of playing in an NL or AL-only league is often the lack of options regarding adding and subtracting players when needed. In mixed leagues, the players on the waiver wire are usually starting for an NL-only staff. So then how does one wade through the names of players that even regular fantasy players have never heard of, and that often will not even start for their teams, to begin with? That is where this series comes in.

This week is a bit of a different take on the usual list. For one, at this point in the year, we are down to the bare minimum in terms of players to add. Injuries have kicked out the first wave of reserves, and owners now have clear needs to target with less time. Even more, with smaller FAAB budgets, owners might not have the extra bucks to throw at some of the names hovering at 4% ownership rates. To help kick off the trade season, this week's players are all stuck at Triple-A, and owned in at most 1% of leagues. With that, come along to the island of fantasy misfit toys.

Be sure to check all of our fantasy baseball draft tools and resources:

C - Deivy Grullon (C, PHI)

0% owned

Catcher is a dumpster fire in Triple-A this year, mirroring some of the issues for fantasy owners generally in 2019. In fact, only one other catcher who qualifies based on playing time this year has an OPS over .700 as of the time of writing this, and that player, David Frietas, has already has a shot at the Bigs. Still, looking to the International League, Grullon was a surprising pick, mostly due to the lack of any prospect pedigree. Baseball America, for example, did not have Grullon in the Philadelphia top 30 prospects entering the year, and in fact, had three players ahead of him on the depth chart.

Even without the name value, Grullon has paced the International League at the position with a .305/.366/.504 slash so far. Add in 12 homers and 37 runs, and Grullon has been one of Lehigh Valley’s best offensive players after 85 games. The rub for owners will be the playing time, as even if they can sneak Grullon through, J.T. Realmuto is not going anywhere. Still, adding a catcher who can play twice a week with some offensive upside seems to be a solid choice this week. If the Phillies can solidify a playoff spot, expect them to look for a catcher to keep their star healthy for the playoffs. At the very least, with the state of catcher this year, why not add the best offensive catcher in the minors this year?

 

1B - Brian O’Grady (1B, CIN)

0% owned

With Cincinnati's resurgence and sudden entrance into the playoff race, this team might have some moves up its sleeve as the league approaches the trading deadline. O’Grady fits into the equation as either a trade chip or a piece that plug gaps left by other deals. At 27, O’Grady is not a young player by any means but has been a solid player at first throughout this career. With a career .253/.354/.456 slash, the bat has been league-average, with 73 homers in 554 games limiting his value prior to 2019.

The difference this year has been the power, with 25 homers in 82 games. When Triple-A leagues are now using the MLB-ball, this power surge should be sustainable with a promotion. While the pitching will be better across the board, the batting line shows that O’Grady has been a solid bat-to-ball player to date, and now is starting to see the ball leave the yard. While Joey Votto is holding down first, O’Grady can play in the outfield if needed looking at his game log. Either as an older trade chip or as a replacement, O’Grady is a player who can hit and will be landing in a great park helping continue the power break-out.

 

2B - Isan Diaz (2B, MIA)

1% owned 

Diaz has been a controversial prospect, with some projecting him as the next elite bat at second, and others wondering if he will hit above the Mendoza line. While he has always been a raw, projectable player, Diaz was a disappointment after moving to Miami in a deal with the Brewers. Even for owners who have been out on Diaz, it is hard to ignore his production this year. While Pacific Coast Leagues stats are notorious for their offensive skew, when Diaz has been a top-10 bat in the league to date, it is hard to ignore the relative value of his season.

Through 87 games this campaign, Diaz is slashing .302/.396/.571 with 21 homers and four steals. After hitting only .204 in 36 games after a promotion to New Orleans to end 2018, the turn-around has been stark. When Diaz is starting to find his power stroke, while also gaining with the rate numbers, this is a player figuring out how to hit professional pitchers. While the impact might be low this year with the park and team, Diaz offers the best dart at second for National League owners the rest of the way. And he is back on the personal draft board for 2020.

 

3B - Wyatt Mathisen (3B, AZ)

0% owned 

While Kevin Cron has appeared on this list a few times already this year, and is the impact prospect for fantasy owners the rest of the way, it has been hard to ignore Mathisen's season. Perhaps putting together the best first-half at the plate among all PCL batters, Mathisen is another player with little to no prospect stock entering the year. Not appearing in Arizona’s top prospects for Baseball America, Mathisen is still only 25 and warrants a shot this season. A slow mover, this is his first full season at Triple-A, and the result have been good.

In 81 games, Mathisen is slashing .293/.411/.616 with 22 homers and 68 runs scored. A good hitter over his career in the minors, Mathisen is still outperforming his career .272/.358/.395 slash line. The power is also emerging this year, with 24 total career homers entering the year, Mathisen is already close to doubling his career mark in half of a season. While the PCL numbers will hint at regression with a move to neutral parks, the power is real, and when the ball is the same, it is easier to project that this swing will play in the bigs. Owners in need of help at the corner should be willing to wait out this player for the upside.

 

SS - Eduardo Sosa (3B, STL)

0% owned 

With the Cardinals needing to make some moves in the next few weeks to solidify a playoff run, Sosa offers an in-house shortstop with some batting upside. While Paul DeJong will hold down the job, unless there is an injury, expect Sosa to push both Tommy Edman and Yairo Munoz is he can keep hitting at his current clip. Entering the year as the 22nd ranked prospect in the Cardinal's system according to Baseball America, Sosa has improved from a utility-only profile to a second-division starter. Still only 23, Sosa will be a name shooting up prospect lists in the 2019 offseason.

To date, in 83 games, Sosa is slashing .252/.304/.424 with 10 homers. All of those numbers are right at, or above career marks, meaning that Sosa has adapted with the promotion well this year. While he does have more offensive upside than most multi-positional options, Sosa will be a real contender to start at short for this team in 2021 and beyond. When the shortstop prospects are reasonably weak at Triple-A right now, add the player jumping to a good team, with the tools to dream on for more.

 

OF - Yadiel Hernandez (OF, WAS)

0% owned 

At 31, Hernandez is a bit old to be considered a prospect, but with his season at Triple-A so far, might need to be owned. Through 85 games, the outfielder is slashing .342/.420/.607 with 19 homers and 64 runs. The interesting note is that since he signed with the Nationals out of Cuba, Hernandez has not stopped hitting. For his minor league career, spanning 329 total games, he is slashing .303/.386/.491. A good player, who might be putting in his best season, Hernandez seems assured to at least get a look this year.

In terms of what owners can expect, like most other players, it comes down to playing time. While not reading internal Nationals memos, it seems that Hernandez would be at least as productive as Gerardo Parra or others on that bench. The context is also useful, with the Nationals needing a spark to jump back into contention. The one real limit on Hernandez’s defensive profile is that he should not play much in center, so he does not fit the typical OF4 mold. Still, the bat can be an impact option and will be an upgrade over current bench bats. While he might not play all that much, the value is there even in short bursts.

 

OF - Yonathan Daza (OF, COL)

0% owned 

Daza fits into a grouping of recent Colorado outfielders, such as Raimel Tapia and Mike Tuachman, who never seemed to earn and hold down a spot on the roster. This is due, in part, to the team’s slow-baking of prospects, but also, the unique needs of playing in Colorado. While Tapia has earned more of a regular role this year, Daza has only played in six total games with the Rockies. What makes Daza different than Tauchman is the glove and speed, with the ability to play center even in the cavern that is Coors Field. This that he can fill a role on the bench for Bud Black, and is needed with a team trying to carry Mark Reynolds as a bench bat.

What also carries Daza is the hit tool, with some prospect reports grading him at a 60 or 70. While he lacks real power, with 29 homers in 668 career games, like others, Daza has seen a spike this year. With 10 bombs through 74 games, Daza has already set a new career-high and can pace his number entering the yeat at this rate. While a lower ceiling than others on the list, the hit tool can offer a batting average floor at the very least. If he gets the call, expect him to play a bit more often than others due to the glove and be worth a dart. At the very least, his speed will create doubles at Coors.

 

OF - Travis Demeritte (OF, ATL)

0% owned 

While the Atlanta outfield is full right now, as rumors circulate that Ender Inciarte might not have a place with this team leads to some needed speculation. Right now, Ronald Acuna Jr. is set, and Austin Riley does not seem to have any reason to leave the team. Unseating Nick Markakis might be the best shot that Demeritte has at regular playing time, but he also has value even in a bench role. At the very least, Demeritte appears to be a definite upgrade on Matt Joyce, and owners can talk his way onto the roster.

To date, Demeritte is slashing .297/.397/.587 with 18 homers and four steals. While the speed is key to his fantasy profile, with his being caught on three of his attempts, owners might not be able to rely on those stats. Still, a .984 OPS places him in the top-five in the league, showing how much better he has been even in the International League. All of this means that Demeritte has power that is easy to dream on, and while not ranked entering the year, might be the second impact prospect to take the outfield for the Braves this year.

 

SP - Lucas Sims (SP, CIN)

1% owned 

Added to the Reds in the Adam Duvall deal, Sims has already been up with the team this year. In his only start, versus the Pirates in May, Sims allowed four earned runs over 7.1 innings. While not great, Sims has been useful in his 80.2 total Major League innings with a 1.51 WHIP and 5.91 ERA. While both numbers need to come down for Sims to be a capable fantasy arm, some of this is noise from rocky bullpen appearances. While he might fit in the pen again this year, the Reds are going to need starters to sustain this run, and he has been starting at Triple-A.

The main selling point for Sims is the raw stuff. He is currently leading all pitchers in the International League with 102 Ks in 79 total innings. While he flashes four pitches, the main offerings are fastball and curveball. During Sims' time in the Majors, these two pitches have accounted for 89% of his total offerings. This means that the development of his changeup is critical as a third out pitch. While the park is not a great fit, for fantasy owners willing to sell out for gross Ks, this is the target.

 

RP - Ryan O’Rourke (RP, NYM)

0% owned

With 48.1 Big League innings under his belt, O’Rourke finally seems to have found a stable role with the Syracuse Mets. Operating as the primary set-up arm so far this year, he has racked up five holds and finished 10 games with two saves. While O'Rourke has blown one save and lacks the elite stuff to the project as a closer in the Bigs, the Mets seem to think that he is one of their better options. At the age of 31, the only reason he has a role is due to team need. If the teams had a younger arm with upside, they would be in this role. Still, owners can also read into this that the Mets are high on O'Rourke, even as organizational filler.

Owners should also like the 3.12 ERA, and three total homers in 34.1 innings. This means that even with the juiced ball, and the overall power numbers, O’Rourke has posted better numbers than his career norm. For example, opposing hitters have dropped 10 points from their batting line versus the righty, and he is generating more outs on the ground this year than previously. Last year, O’Rourke had a 0.5 GO/AO ratio, and this year that has jumped to 1.17 this year. Expect O'Rourke to get a shot this year, and if the Mets hang around, adding needing fortification to one of the worst pens in the game right now.

More Waiver Wire Pickups and Streamers


Check out RotoBaller's entire fantasy baseball waiver wire pickups and sleepers list, updated daily!




POPULAR FANTASY TOOLS

Expert Advice
Articles & Tools
Import Your Leagues
Draft Rankings
Draft Simulator
Enter League Settings
Compare Any Players
Rookies & Call-Ups
24x7 News and Alerts

REAL-TIME FANTASY NEWS

Kyle Kuzma

Ready to Play Thursday Vs. Utah
Myles Turner

Set to Return Versus Jazz
Kevin Porter Jr.

Sidelined Against Utah
Donovan Mitchell

Ruled Out, Jaylon Tyson to Start Thursday
Auston Matthews

Ruled Out for 12 Weeks
Austin Reaves

Cleared to Play Thursday
Yaroslav Askarov

Still Out Thursday
Luis Severino

to Start for A's on Opening Day
Stephon Castle

Ruled Out Thursday Against Suns
Michael Porter Jr.

to be Re-Evaluated in 2-3 Weeks
Kirill Kaprizov

Won't Play Against Blackhawks
Nique Clifford

is Downgraded to Out
Kawhi Leonard

Ruled Out Against New Orleans
Alex Tuch

Expected to Return Thursday
Grayson Allen

to Miss Second Straight Game
Luka Dončić

Luka Doncic Good to Go Against Miami
Noah Laba

Unavailable Against Blue Jackets
Daniss Jenkins

Moves into Starting Five
LeBron James

Available Thursday Against Heat
Andrew Copp

Returns From Three-Game Absence
Isaiah Collier

is Sitting Out on Thursday
Josh Anderson

Won't Play Thursday
Jalen Smith

to Miss Second Leg of Back-To-Back
Collin Sexton

is Available for Thursday's Game
Terry McLaurin

Commanders Still Looking for Receiver to Complement Terry McLaurin
Royce O'Neale

to Miss First Game of Season
Darius Garland

Won't Play on Thursday
Malik Monk

Active Thursday
Joel Embiid

Downgraded to Unavailable on Thursday
Terry Rozier

Expected to be Released in Near Future
Logan Gilbert

Named Mariners Opening Day Starter
José Ramírez

Jose Ramirez Back in Cactus League Lineup on Thursday
Hayden Birdsong

to Have Tommy John Surgery, Miss Entire 2026 Season
Zack Wheeler

to Pitch in Minor-League Game on Monday
Paul Skenes

Pirates Officially Name Paul Skenes Their Opening Day Starter
Justin Herbert

Will Justin Herbert Have Higher Fantasy Ceiling in New Offense?
Tank Bigsby

to be Valuable Handcuff Going into First Full Year in Philly
Dameon Pierce

Eagles Agree on One-Year Deal With Dameon Pierce
Jurickson Profar

Officially Suspended for Entire 2026 Season
Matthew Golden

Trending Up Despite Frustrating Rookie Season
Tee Higgins

Solidified as a Weekly Fantasy Contributor with QB Healthy
Evan Engram

Faces a New Challenge in 2026
Ladd McConkey

Has Terrific Opportunity to Bounce Back
Jaydon Blue

Destined for More Volume in Second Season?
Carson Williams

"Likely" to Be Rays Opening Day Starting Shortstop
Trey Yesavage

Will Open 2026 on the Injured List Due to Shoulder Impingement
Oronde Gadsden

Mike McDaniel to Maximize Oronde Gadsden's Skill Set?
Keaton Mitchell

Could "Thrive" in New Offensive Scheme in L.A.
Jake Elliott

Eagles Rework Jake Elliott's Contract
Carson Wentz

Vikings Re-Sign Carson Wentz to One-Year Deal
Tylan Wallace

Browns Agree to Terms With Tylan Wallace
Jack Hughes

Posts Another Three-Point Performance in Victory
Jackson Blake

Collects Three Points on Wednesday
WAS

Cole Hutson Scores in NHL Debut on Wednesday
TreVeyon Henderson

Establishing Himself as a Fantasy RB1?
Caleb Williams

Looking to Build Off Second-Year Breakout
Elijah Arroyo

Stuck in Depth Role for the Foreseeable Future
Tre Tucker

Still a Fantasy Option Despite New Competition?
Max Fried

to Start on Opening Day for Yankees
Jack Bech

Still Trending Up Despite Increased Competition?
Arizona Diamondbacks

Diamondbacks Not Naming a Closer to Begin the Season
Jalen Hurts

has Room for Improvement Amid Offensive Changes
Isaiah Bond

Should Have Bigger Role, But Will QB Issues Hold him Back?
Adrian Kempe

Could Return Thursday
Mason McTavish

Sits Out Second Consecutive Game
Ross Johnston

to Miss 3-4 Weeks
Jonathan Drouin

Back in Action Wednesday
Eric Robinson

Rejoins Hurricanes Lineup
Shayne Gostisbehere

Sits Out Another Game Wednesday
Sidney Crosby

Returns to Action Wednesday
Matthew Liberatore

Named Cardinals Opening Day Starter
Roki Sasaki

to be in Opening Day Starting Rotation
Akshay Bhatia

Withdraws From Valspar Championship
José Berríos

Jose Berrios has Stress Fracture, Won't be Ready for Opening Day
CFB

Alberto Mendoza Drawing Positive Reviews at Georgia Tech
CFB

Anthony Colandrea Impressing in Nebraska's Spring Practices
Ukko-Pekka Luukkonen

Bags a Shutout in Vegas
J.J. Spaun

Offers Upside Despite Poor Course History at Innisbrook
Brock Boeser

Logs Three Assists Tuesday
Jeremy Peña

Opening Day "Not Ruled Out" for Jeremy Pena
Brock Faber

Registers Three Assists in Overtime Win
Aaron Rai

Looks to Bounce Back at Valspar Championship
Charlie Coyle

Matches Career High with Four Points Tuesday
Johnny Keefer

Brings Ball-Striking Upside to Valspar Championship
Billy Horschel

a Volatile Play at Valspar Championship
Ben Griffin

Looks to Rebound at the Valspar Championship
Corey Conners

Brings Elite Ball-Striking to Valspar Championship
Cole Ragans

Named Royals Opening Day Starter
Xander Schauffele

Trending In The Right Direction For Valspar Championship
Sahith Theegala

Has Shot to Challenge at Valspar Championship
Mackenzie Hughes

Looking to Bounce Back at Valspar Championship
Nicolai Hojgaard

Finding Rhythm For Valspar Championship
Matt Fitzpatrick

Continues Hot Start to 2026 Heading to Valspar Championship
Pierceson Coody

Heads to Valspar Championship Following Two Missed Cuts
Shohei Ohtani

to Pitch in Cactus League Game on Wednesday
Seiya Suzuki

has Sprained Knee, Opening Day Availability Unclear
Seiya Suzuki

Diagnosed With Strained PCL
Zach Neto

Making his Return on Tuesday
Kyle Freeland

to Start for Rockies on Opening Day
Wyndham Clark

Searching for Momentum at Valspar Championship
Justin Thomas

Is Justin Thomas Back Ahead of This Week's Valspar Championship?
Jordan Spieth

to Bounce Back at Favored Valspar Championship?
Brooks Koepka

is Starting to Find His Groove Again Ahead of Valspar Championship
Viktor Hovland

is One of The Best DFS Plays at Innesbrook
Rasmus Hojgaard

to Get Back on Track at Valspar Championship
Tony Finau

is Again a Scary Option at Valspar Championship
Blades Brown

Continues PGA Tour Run at Valspar Championship
Josh Emmett

Suffers First-Round TKO Loss
Kevin Vallejos

Scores First-Round TKO
Amanda Lemos

Drops Back-To-Back Fights
Gillian Robertson

Extends Her Win Streak
Andre Fili

Drops Decision on Saturday
Denny Hamlin

Dominates and Gets His Third Career Las Vegas Win
Chase Elliott

Earns Runner-Up Finish at Las Vegas
William Byron

Wins A Stage and Finishes Third at Las Vegas
Christopher Bell

Finishes Fourth at Las Vegas After Strong Run
Kyle Larson

Fades to Seventh Despite Leading Laps Early at Las Vegas
Andre Fili

Jose Delgado Edges Andre Fili in Split-Decision Win
Oumar Sy

Suffers First-Round Submission Loss
Ion Cutelaba

Returns To The Win Column
CFB

CJ Carr Enters Sophomore Season as Heisman Favorite
CFB

Aaron Philo Not a Lock to be Florida's Starting QB?
CFB

George MacIntyre the Favorite to Win Tennessee Quarterback Battle?
CFB

Keelon Russell, Austin Mack Battling for Alabama QB1 Duties
Christopher Bell

Looking for Redemption, Wins Pole at Las Vegas
Denny Hamlin

Should Contend for Another Vegas Win
Chase Briscoe

Qualifies 18th Despite Toyota Dominating at Las Vegas
Chase Elliott

May Fly Under the Radar at Las Vegas
NASCAR

Ross Chastian Has Been As Solid As They Come at Las Vegas
Ty Gibbs

Could Ty Gibbs Finally Break Through With a Win at Las Vegas?
Brad Keselowski

a Solid DFS Pick at Las Vegas
Kyle Larson

Should Kyle Larson be Considered A Favorite for Las Vegas?
William Byron

Could Compete for a Top-Five Finish at Las Vegas
Ryan Blaney

Is Ryan Blaney Worth Rostering in Tournament DFS Lineups for Las Vegas?
Tyler Reddick

Could Continue his Top-10 Streak at Las Vegas
Joey Logano

Should DFS Managers Underestimate Joey Logano for Las Vegas?
Chris Buescher

Is Chris Buescher Worth Rostering For Las Vegas DFS Lineups?
NASCAR

Bubba Wallace is A Risky DFS Option Who Could Pay Off at Las Vegas
Josh Berry

Has Plenty of Upside for Las Vegas DFS Lineups
Ryan Preece

Scores his First Las Vegas Top-10 Starting Spot in Qualifying
RANKINGS
C
1B
2B
3B
SS
OF
SP
RP

RANKINGS

QB
RB
WR
TE
K
DEF