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Prospect Stock Watch with Fantasy Implications - Week 2

Well, the Major League season is already 6% of the way done. Some owners think that they are on their way to victory while others are patiently waiting for things to turn around. Still, while all the victory laps are being taken, the smart owner is looking forward to the rest of the year and finding what value can still be had. While the season always seems to move quickly, the dog days of summer are still upon us.

Now that we are rolling along, so too are the call-ups. This week, the Rotoballer team keeps tabs on all the new names and faces, with insight into their fantasy value to help any team. For owners looking for a cheap spark, look no further.

This week’s list is not as deep as the opening to the year, but expect this to pick up with new injuries and deals bound to happen. And yet, the lack of name value is only good for careful owners. Take a look at the list today and grab names than many others in your leagues have yet to discover.

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

 

Rookie Debuts - Stock Up

These rookies hit the ground running in their 2019 debuts and have matched the preseason hype so far. The question is whether this provides a sell-high opportunity or if the fantasy owner should hold tight.

Jon Duplantier (SP/RP, ARI)

While he was already sent back down to the minors on Monday night, Duplantier is a player to know and own moving forward. While he projects as a starter, he debuted in the bullpen which might lead to some hints on his usage over the rest of the season. And yet, being sent down seems to mean that the Diamondbacks either want him to throw more often or that they still view him as a starter long-term. Whatever the case, Duplantier has good stuff, with a fastball and slider that grade out at 60, according to Fangraphs, and a curveball/changeup mix that could be plus offerings as well.

While only having four innings under his belt, Duplantier held his fastball velocity at 93.5 MPH and flashed a sinker that did not appear on other scouting reports. This could show either a new pitch, or a slider that is moving a bit differently, but either way, the stuff is there for Duplantier to be successful. In his first four innings, he allowed two walks and two hits, but also struck three batters out. While owners might need to wait a bit, Duplantier has been one of the top pitching prospects in the system and is clearly part of the D-backs' long term plans. The stock is up, even with the demotion, for the fact that the team has shown that he will play a role this year.

Josh Fuentes (3B, COL)

Fuentes raked at Triple-A Albuquerque last year, with a .327/.354/.517 slash with 14 homers. The one reason to hold back a bit is that the slugger had the benefit of both a hitter’s park and leagues. This means that owners should expect some regression even when he gets regular playing time with the Rockies. Still, the hit tool is there. The main issue for Fuentes right now is that he plays the same position as the Rockies' most expensive player in Nolan Arenado. Since the team locked up their star, Fuentes has been getting more time at first, and with the injuries to Ryan McMahon and Daniel Murphy, there seems to be a bit of a path to playing time.

With the Coors factor alone, if he is playing regularly, Fuentes will be a bat to own. Through his first four games, he has two hits and two runs scored, so he is already flashing production. The power will not be much but should be a double-digit option with the Rockies, so not an empty batting average at a critical spot. The other thing to watch will be walk rate, as while he struck out less than 20% of the time in the minors, he also did not walk more than 5% of the time. Something to watch for sure, but Fuentes will be one to stash for real upside.

 

Stock Neutral

These players neither helped nor hurt their fantasy value in the first week of play.

Jason Martin (OF, PIT)

With Corey Dickerson out for a bit, Martin looks to be getting his chance to impress early this year. After starting off hot at Double-A in 2018, he struggled a bit in Triple-A. Over a similar amount of games, the batting average dropped from .325 to .211, but the power and speed were still there. Over the full year, across both levels, Martin slugged 13 homers and stole 12 bases. With a glove that grades out as average, Martin looks to be the right profile to earn owners steady production out of a rookie call-up.

Currently slotted in on the long side of the platoon in left field, Martin will get his chance to earn staying power with the Pirates. And yet, owners should not expect him to be up all year unless he mashes. When the second half struggles kept him down a level, there is still some seasoning needed before a full-time gig. Still, Martin looks like the poor man’s Austin Meadows, with 12/12 potential a decent batting line. In deep leagues, Martin is worth a small FAAB bid, but do not be breaking the bank to add him.

Ryne Harper (RP, MIN)

At 30 years of age, Harper is old for a rookie, but not old enough for a Disney movie. This is a fun story to root for this year, and Harper has the skills to be a real impact for the Twins. So far, in 3.1 innings, Harper is yet to allow a run and has only given up two total hits. The upside for fantasy value comes from the stuff. Last year, between Double-A and Triple-A, Harper struck out 32.6% of the batters that he faced. The walk rate was even better, with a career line under 5%. If this can translate to the Twins, Harper will be a great match-up option late in the game. While not in line for any saves, this is a bullpen in flux, so there might be a chance with more struggles late in games. Holding the stock neutral now, but he is on the radar with the call and playing time.

 

Stock Down

These players didn't get off to the kind of start fantasy owners would have liked but it's too early to discount them too much.

Richie Martin (SS, BAL)

While he has been with the Orioles since the beginning of the year, Martin appears on this week’s list due to the need for a more significant sample. Unlike other rookies who made their teams out of the spring, Martin was a Rule-5 pick, and therefore no one expected him to hit the ground running. While he was well regarded in the Athletic's system, there were fewer data points to use for projections than others who broke camp. For all of that, Martin was on the radar, but two weeks of batting data seemed to make the call a bit cleaner.

Through 11 games, Martin is slashing .179/.281/.250 with four runs and one steal. Nothing so far seems to hint that Martin will be that valuable in fantasy this year, as even if he does begin to hit, there is nothing around him to support the counting stats. While Baltimore might have made an excellent pick in the draft, this is not one that fantasy owners should be giving much thought for now. And yet, for owners needing ABs more than anything, it would be a shock to see Martin not stick with the team all year. Hard pass for now, but in those draft and holds, Martin might be a player that will offer valuable August and beyond? Even that is a stretch though. 

Frank Schwindel (1B, KC)

Schwindel making the roster to open the year was a massive boon for deep leaguers. An older prospect, with the bat skills in the minors to attract interest, this was the type of profile that was going to be given a shot at some point. And yet, the production so far has been underwhelming. Through five games he is slashing .083/.083/.083 with a single hit and two punch-outs. While, as usual, small sample size warning, if this prospect cannot make more contact against the likes of Chicago, Detroit, and Seattle there is not much to go on at this point.

The stock is down since this was a player who needs the contact skills to carry his playing time, especially when there are players like Ryan O’Hearn competing with him for time. The Royals clearly would like all their players to hit, but would not be disappointed to see O’Hearn run away with the job. That being said, the power is there, with a 20 plus floor in the minors for Schwindel. If he begins to hit, there is definite upside, but without some production, expect him to not be with the Royals for long this year.  

More MLB Prospects Analysis




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REAL-TIME FANTASY NEWS

Isiah Pacheco

Targeting a Return on Thursday
Shohei Ohtani

to Play for Team Japan in 2026 World Baseball Classic
Patrick Williams

Available Monday vs. Pelicans
Jaren Jackson Jr.

Cleared to Play Against Denver
Kevin Huerter

Ruled Out With Pelvis Soreness
Nicolas Claxton

Cleared to Face New York
Dean Wade

Sidelined Monday
Nikola Vučević

Nikola Vucevic Unavailable Against Pelicans
Landry Shamet

Sidelined Against Nets
Tyler Herro

Making 2025 Debut on Monday
Caris LeVert

Jaden Ivey, Caris LeVert Available Versus Indiana
Kevin Love

Out Monday Versus Warriors
Grayson Allen

and Ryan Dunn Sidelined vs. Rockets
Lamar Jackson

Now Dealing With a Toe Injury
Anthony Davis

Downgraded on Monday Night
Lonzo Ball

Set to Suit Up Versus Toronto
Jake Walman

to Remain Out Tuesday
Draymond Green

Ruled Out With Foot Sprain
Sam Merrill

and Craig Porter Jr. Out Monday
RJ Barrett

Sidelined Versus Cleveland
Ridly Greig

Still Out Monday
De'Andre Hunter

Out Versus Raptors
Baker Mayfield

Dealing With Low-Grade Shoulder Sprain
Thomas Chabot

Misses Monday's Matchup
Mitchell Robinson

Under the Weather, Out Versus Brooklyn
Kirill Marchenko

Out Monday
Jarrett Allen

Out of Action Again on Monday
J.T. Miller

Unavailable Monday
Andrew Wiggins

Norman Powell Out on Monday Night
Brayden Point

Out Against Flyers
Darius Garland

Sidelined on Monday
Nikita Kucherov

Good to Go Monday
Chris Godwin

Buccaneers Plan to "Ramp Up" Chris Godwin's Usage
Colorado Rockies

Warren Schaeffer to Stick Around as Rockies Manager in 2026
Ashton Jeanty

Ankle Injury isn't Severe
Jayden Daniels

to Practice This Week, Considered a Long Shot for Week 13
C.J. Stroud

Remains in Concussion Protocol
Mike Evans

Could Return Before End of Regular Season
J.J. McCarthy

in Concussion Protocol
Tyrod Taylor

to Remain the Jets' Starting QB
Shedeur Sanders

to Make Another Start for Browns in Week 13
Tee Higgins

Won't Play on Thanksgiving
Joe Burrow

Bengals Expect Joe Burrow to Play on Thursday
Baker Mayfield

Not Being Ruled Out for Week 13
CFB

Chris Bell Out for Rivalry Matchup Against Kentucky
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Giants Fire Defensive Coordinator Shane Bowen
Tee Higgins

in the Concussion Protocol
Scott Wedgewood

Gives Avalanche Second Consecutive Shutout
Macklin Celebrini

Makes History During Multi-Point Performance
Joey Daccord

Posts Shutout in Losing Effort
David Rittich

Keeps Kraken Quiet
Jesper Wallstedt

Picks Up Third Shutout of the Season
Rasmus Andersson

Extends Point Streak With Three Assists
Davante Adams

Catches Two Touchdowns in Sunday Night Win
Baker Mayfield

has Sprained Shoulder, Will Undergo MRI Monday
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Raiders Fire Offensive Coordinator Chip Kelly
Ryan Helsley

Tigers Eyeing Ryan Helsley as a Starter
Quinshon Judkins

Salvages his Day With Two Trips to the End Zone
Alvin Kamara

Dealing With MCL Sprain, Timetable Unclear
Dan Hooker

Suffers Second-Round Submission Loss
Marcus Semien

Shipped to the Mets on Sunday
Arman Tsarukyan

Gets Submission Win
Brandon Nimmo

Traded to Texas
Belal Muhammad

Loses Back-to-Back Fights
Belal Muhammad

Ian Machado Garry Outpoints Belal Muhammad
Alonzo Menifield

Suffers First-Round Knockout Loss
Volkan Oezdemir

Gets Back In The Win Column
Jack Hermansson

Gets Knocked Out
Jack Hermansson

Myktybek Orolbai Knocks Out Jack Hermansson
Shamil Gaziev

Suffers First-Round Knockout Loss
Waldo Cortes-Acosta

Shines At UFC Qatar
Tagir Ulanbekov

Suffers Third-Round Submission Loss
Kyoji Horiguchi

Makes Triumphant UFC Return
MON

Alexandre Texier Joins Canadiens
Jason Dickinson

Returns to Action Sunday
Elias Lindholm

Activated From Injured Reserve
Mikko Rantanen

Suspended for One Game
Neal Pionk

Sustains Lower-Body Injury Sunday
Jean-Gabriel Pageau

Out Week-to-Week
Alexander Romanov

Out 5-6 Months Due to Shoulder Surgery
Sidney Crosby

Records 500th Multi-Point Game
Adolis García

Rangers Non-Tender Adolis Garcia on Friday
CFB

Beau Pribula Expected to Start Against Oklahoma
Dan Hooker

An Underdog At UFC Qatar
Arman Tsarukyan

Looks To Extend His Win Streak
Ian Machado Garry

A Favorite At UFC Qatar
Belal Muhammad

Looks To Bounce Back
Alonzo Menifield

Looks For His Third Consecutive Win
Volkan Oezdemir

Looks To Get Back In The Win Column
Myktybek Orolbai

Looks To Win Back-To-Back Fights
Jack Hermansson

Makes His Welterweight Debut
Kyoji Horiguchi

Returns To The UFC
Elly De La Cruz

Played Through Partially Torn Quad to End 2025
Tarik Skubal

Tigers "Doubtful" to Trade Tarik Skubal
Raisel Iglesias

Returning to the Braves on One-Year Deal
Sahith Theegala

Looking to Continue Fall Run at RSM Classic
Stephan Jaeger

Looking to Bounce Back at RSM Classic
Tom Hoge

Looking to Regain Form at RSM Classic
Joe Highsmith

Searching for Turnaround at RSM Classic
Adam Hadwin

Looking to Build on T11 Finish in Bermuda
Austin Eckroat

Searching for Momentum at RSM Classic
Joel Dahmen

Trying to Find Form at the RSM Classic
CFB

Garrett Nussmeier Doubtful to Play Against Western Kentucky
Michael Thorbjornsen

Hopes to End 2025 Campaign With Another Solid Finish
Andrew Novak

Looks to End 2025 Season on High Note at RSM Classic
Harry Higgs

Teetering for PGA Tour Card in 2026
PGA

Nico Echavarria has the Potential to Contend at the RSM Classic
Sam Stevens

Finishing Out Year in Georgia
Seamus Power

Playing Better at the Right Time
Beau Hossler

Roller Coaster Comes to Saint Simons Island
Quade Cummins

The Time is Now for Quade Cummins in Georgia
Austin Cook

Needs a Win at the RSM Classic
Cameron Champ

on the PGA Tour Card Bubble
Grayson Rodriguez

Shipped to Angels

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