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The Waiver Wire Watch List: Week 21

Throughout the season, you want to get the jump on your competition and sniff out the breakout players before they break out. That's what this list is all about--using some in-depth research and advanced analytics to find the players who aren't quite there yet but are on their way. Some of these may suit your needs for an immediate pick-up depending on your team's situation.

This is not necessarily a list of players you should add right away at the start of Week 21 - it is a list of players to keep a very close eye on in most leagues as we further into June, and to consider picking up in deeper formats. In some cases, we will even caution you not to pick up a widely-added player, and steer you away from the fool's gold.

Use it to build your own watch list.

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

 

Pitchers to Watch in 12+ Team Leagues

Dillon Peters (SP, LAA)

After some early-season bullpen outings and an early-June spot-start, Dillon Peters was called up to join the rotation for good on July 21st. Since that call-up he's rattled off five decent outings, going 2-1 with a 3.14 ERA across 28.2 innings. His last three starts have been particularly impressive, as he's tossed quality starts in all three and has posted a 19:2 strikeout to walk ratio.

I'm particularly encouraged by the control he's showing, and while he's no flame-throwing ace, he strikes out just enough batters (21.2% in 2019) to be useful. Peters has a pair of tough draws in the Rangers and Astros this week so you're not adding him now, but I'm giving him a vote of confidence moving forward.

Joe Ross (SP, WAS)

Not unlike Peters, Joe Ross has been on a hell of a hot streak. He's dazzled in three August starts, going 3-0 with a microscopic 0.50 ERA across 18 innings of work. He's making a case for himself as the Nationals' fifth starter even when Max Scherzer returns (Ross is currently occupying his spot in the rotation), and with the Nationals chasing the Braves and staving off wild card contenders they will likely give him that opportunity. The nine walks are much higher than you'd like to see, but no home runs across the three starts is outstanding given he's had trouble with the long ball in the past.

You do still need to wait and see if he holds onto a rotation spot, but Ross has some truly encouraging numbers at the moment and he's worth watching closely.

 

Batters to Watch in 12+ Team Leagues

Mike Yastrzemski (SF, OF)

Yastrzemski is on an absolute tear right now, with six homers in his last seven games, bringing him to 16 on the season. This kind of power surge is unlikely to continue, but the 28-year-old is still seeing the ball extremely well right now. Yastrzemski isn't an immediate add given that his playing time still isn't a guaranteed thing every day (he does still head to the bench against lefties), but he also wouldn't be an everyday player in your fantasy lineup. As long as he's hitting this well, he could make for a nice injury replacement or bench player who gets in your lineup based on the matchup.

Luis Arraez (2B/3B/OF, MIN)

Arraez has been a pleasant surprise for the Twins this season, and he's been particularly productive in August. He's hitting .349 this month, and that has his average at an impressive .355 on the season as a whole. There isn't a ton of pop in his bat, as he has just three homers in 55 games, but his contact abilities and position in the potent Twins offense make him a useful asset in roto leagues. His 34 runs scored and obviously the batting average and .421 OBP earn him a platoon spot in your fantasy lineup if you're looking for a late-season boost.

Manuel Margot (SD, OF)

Remember when Manny Margot was an up-and-coming blue-chip prospect? He's never truly panned out, as he's never hit over .263 or hit more than 13 homers. He did set all those career highs and swipe 17 bags in his best overall season (2017), but that's not anywhere near living up to the initial hype. Margot still probably isn't much more than a middling MLB outfielder, but he's hitting extremely well in August in a part-time role. Across 27 plate appearances, he's hitting .375 with four homers and seven RBI, which might be enough to earn him some extra playing time. Watch and see if that becomes the case, and if it does Margot's speed and middling average/power combo would merit a roster spot for fantasy.

More Waiver Wire Pickups and Streamers




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REAL-TIME FANTASY NEWS

Petr Yan

Looks To Reclaim Bantamweight Belt
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Set For His Fourth Title Defense
Joshua Van

Can Become The New Flyweight Champion
Aaron Jones Sr.

Cleared to Play in Week 14
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Listed as Questionable for Week 14
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Set For Fifth Title Defense At UFC 323
Paolo Banchero

Returning on Friday Night
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Looks To Win Back-To-Back Fights
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Ruled Out for Sunday
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Searches For His Third Win In A Row
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A Favorite At UFC 323
Henry Cejudo

Set For His Retirement Fight
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Ruled Out vs Seattle
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Set To Open Up UFC 323 Main Card
Lamar Jackson

Will Play on Sunday
Bogdan Guskov

Looks To Extend His Win Streak
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Emmett Johnson Leaving Nebraska for 2026 NFL Draft
Dalton Kincaid

to be Questionable for Week 14
Tee Higgins

Clears Concussion Protocol, is a Full-Go for Sunday
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Jam Miller Unlikely to Play in SEC Title Game
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Penn State Expected to Hire Matt Campbell from Iowa State
Mike Evans

Not Quite Ready to Return This Week
Jayden Daniels

Will Start Against Vikings
Lamar Jackson

Returns to Practice, on Track to Play on Sunday
Kyler Murray

Won't Return This Year, Cardinals Non-Committal on his Future
Trey Benson

Out in Week 14; Could he Miss the Rest of the Season?
Marvin Harrison Jr.

Ruled Out for Sunday's Game
CeeDee Lamb

in the League's Concussion Protocol
Brian Branch

Out with Torn Achilles
Daniel Gafford

Uncertain For Friday's Game
Darius Garland

Ruled Out For Friday Against Spurs
Kristaps Porzingis

Tagged as Questionable Against Nuggets
Jalen Johnson

Could Miss Second Straight Game
LaMelo Ball

Probable To Play Through Wrist Sprain Friday
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Brian Branch Feared to Have Suffered an Achilles Injury
Tyler Herro

Uncertain For Magic Matchup
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Arkansas Targeting Ron Roberts for Defensive Coordinator Job
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Tracking Towards a Week 14 Return
Justin Herbert

Trending in the Right Direction to Play Monday Night
Mathew Barzal

Leads Islanders Past Avalanche
Elias Lindholm

Posts Hat Trick of Assists Thursday
Leon Draisaitl

Notches Season-High Four Points in Thursday's Win
Connor McDavid

Nets 13th Career Hat Trick
Teuvo Teravainen

Expected to Be Fine After Thursday's Exit
Shane Pinto

Exits Loss With Injury
Joseph Woll

Sustains Lower-Body Injury Thursday
Ryan Flournoy

Heavily Involved After Teammate's Exit
Jahmyr Gibbs

Scores Three Times on Thursday Night Football
Jhostynxon Garcia

Pirates Acquire Jhostynxon Garcia From Red Sox
Draymond Green

Won't Return on Thursday Night
Cody Bellinger

Yankees Pushing Hard to Re-Sign Cody Bellinger
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Penn State Eyeing Iowa State Coach Matt Campbell For Coaching Vacancy
Alex Bregman

Cubs Have Renewed Interest in Alex Bregman
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Set to Suit Up Versus Philadelphia
Joel Embiid

Back on Thursday Night
Al Horford

Available on Thursday
Jonathan Kuminga

Cleared for Action on Thursday Night
Jusuf Nurkić

Jusuf Nurkic Out of Action Thursday
Terance Mann

Available Versus Utah
Kirill Marchenko

Returns From Four-Game Absence
De'Anthony Melton

to be Capped at 20 Minutes on Thursday
Carter Verhaeghe

Ready to Return Thursday
Scott Wedgewood

Skips Thursday's Game
Paolo Banchero

Upgraded to Questionable for Friday Night
Danila Yurov

Misses Second Straight Game
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Billy Napier Finalizing Deal to Become James Madison's New Head Coach
Andrei Vasilevskiy

Unavailable Thursday
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Buster Faulkner Set to Become Florida's New Offensive Coordinator
Dereck Lively II

to Seek "Multiple Opinions" on Right Foot Treatment
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Still Out Thursday
Ryan McDonagh

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Set to Suit Up Thursday
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Considered Day-to-Day
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Sidelined Thursday
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Joe Sloan Expected to be Kentucky's New Offensive Coordinator
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Lane Kiffin Working to Keep Defensive Coordinator Blake Baker at LSU
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Brian Daboll a Candidate for Penn State Head-Coaching Job?
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JJ Peterka

Rocks Ducks With Four-Point Effort
Cole Caufield

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Matvei Michkov

Delivers Two Assists Wednesday
Jake Oettinger

Grabs Fourth Consecutive Victory With Shutout
Ryan Leonard

Tallies Four Points in Wednesday's Win
Cam York

Exits Win Early
Kyle Tucker

Visits With Blue Jays
Emilio Pagán

Reds Bring Back Closer Emilio Pagan on Two-Year Deal
Cedric Mullins

Rays Agree on One-Year Deal
Freddy Peralta

Brewers Considering Trading Freddy Peralta
Kyle Schwarber

Reds Serious About Adding Kyle Schwarber in Free Agency?
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Brent Key Signing Five-Year Deal to Remain at Georgia Tech
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Brian Hartline Expected to Land USF Head-Coaching Job
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Collin Klein Expected to be Top Target for Kansas State if Head-Coach Job Opens
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Chris Klieman Considering Stepping Down at Kansas State
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D.J. Durkin Staying at Auburn Under Alex Golesh
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Charlie Weis Jr. Permitted to Coach Ole Miss Offense in College Football Playoff
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Five-Star Quarterback Jared Curtis Flips Commitment From Georgia to Vanderbilt
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Florida Hiring Brad White as Defensive Coordinator
Kyle Schwarber

Giants Have Checked in on Kyle Schwarber
Willson Contreras

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Edwin Díaz

Mets Still Interested in Re-Signing Edwin Diaz
Devin Williams

Agrees to Three-Year Deal With Mets
Cole Ragans

Red Sox Targeting Cole Ragans in a Trade?
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Kentucky Hires Oregon Offensive Coordinator Will Stein As Head Coach
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Kalani Sitake the Top Target for Penn State Coaching Job
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Josh Heupel Says He's Not a Candidate for Penn State Head Coach Job
Zack Wheeler

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Ryan Helsley

Agrees to Two-Year Deal With Orioles

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