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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 draft 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

Trae Young

Traded to Washington
Ja Morant

Remains Out on Wednesday
Shai Gilgeous-Alexander

Will Suit Up Versus Utah
Jaren Jackson Jr.

Good to Go Against Phoenix
Santi Aldama

Cleared to Play on Wednesday
Sam LaPorta

Plans to be Back for Training Camp
Brandon Miller

Unavailable Versus Raptors
Owen Caissie

Shipped to Miami as Centerpiece of Trade
Edward Cabrera

Cubs Officially Acquire Edward Cabrera From Marlins
Onyeka Okongwu

Sidelined Wednesday
Nathan Walker

Ready to End 16-Game Absence
Rutger McGroarty

Out Indefinitely With Concussion
Jaren Jackson Jr.

Downgraded to Questionable For Wednesday
Kevin Stenlund

a Game-Time Call Wednesday
Ty Dellandrea

Ruled Out Wednesday
Matas Buzelis

Set to Suit Up Wednesday
Adam Erne

Misses Wednesday's Action
Tom Wilson

Aliaksei Protas Won't Play Wednesday
Coby White

Sidelined Versus Pistons
Anze Kopitar

Out Wednesday
Draymond Green

Upgraded to Probable on Wednesday
Rome Odunze

Plans to Play on Saturday
LeBron James

Considered Questionable For Wednesday
Edward Cabrera

Cubs Finalizing Deal to Acquire Edward Cabrera From Marlins
New York Giants

Giants "All-In" on Hiring John Harbaugh
CFB

Jackson Arnold Signs with UNLV
CFB

Sam Leavitt Scheduled to Visit Tennessee
Devon Toews

to Miss at Least Two Weeks
Gabriel Landeskog

Out for Several Weeks
Jamie Drysdale

Makes Early Exit Tuesday
Bobby Brink

Injured in Tuesday's Win
Adam Henrique

Expected to Miss Time
Brad Marchand

Dealing With Lingering Health Issue
Haydn Fleury

Hospitalized Tuesday
Moussa Diabaté

Ryan Kalkbrenner Out, Moussa Diabate Probable Wednesday
Brandon Miller

Listed as Probable Wednesday
Alex Caruso

Absent for Second Consecutive Game
Nicolas Claxton

Available Wednesday
Moritz Wagner

Still Out Wednesday
Franz Wagner

Not Ready to Return Wednesday
Jalen Suggs

Remains Out Wednesday
Draymond Green

Questionable to Suit Up Wednesday
Jalen Smith

Ruled Out for Second Straight Game
New York Giants

John Harbaugh Expected to be Favorite to Become New Giants Head Coach
Mason Marchment

Out Tuesday
Sean Monahan

Available Tuesday
Jason Zucker

Set to Return From 11-Game Absence
Matvei Michkov

a Game-Time Call Tuesday
Matthew Schaefer

Cleared for Action Tuesday
Baltimore Ravens

John Harbaugh Won't Return as Ravens Head Coach
Adam Fox

Landing Back on Long-Term Injured Reserve
Seth Jarvis

Back for Hurricanes Tuesday
Bo Bichette

Unlikely to Return to Toronto?
Jordan Love

Ready to Start in Wild-Card Game Against Bears
CFB

Jadan Baugh Staying with Florida for Junior Season
Washington Commanders

Commanders "Mutually" Parting Ways With OC Kliff Kingsbury
CFB

Byrum Brown Officially Commits to Auburn
CFB

Austin Simmons Signing with Missouri
CFB

Ty Simpson Undecided on 2026 Plans
CFB

Quarterback AJ Hill Following Ryan Silverfield to Arkansas
Atlanta Falcons

Falcons Have Requested an Interview With Klint Kubiak
Deshaun Watson

Browns Expect Deshaun Watson to be on the Team Next Year
Wan'Dale Robinson

Dealing With Fractured Ribs
Cam Skattebo

Hopes to be Back by Training Camp
Cameron Ward

Won't Need Surgery on his Shoulder
Davante Adams

Rams Expect Davante Adams to Return in Wild-Card Round
Arizona Cardinals

Cardinals Fire Head Coach Jonathan Gannon
Las Vegas Raiders

Raiders Fire Head Coach Pete Carroll
Malik Nabers

Unsure if He Will Be Ready for Week 1 of 2026 Season
CFB

Trinidad Chambliss Will Return to Ole Miss If Granted Sixth Year of Eligibility
Cincinnati Bengals

Zac Taylor Will Return as Bengals Head Coach in 2026
New York Giants

Giants Expected to Show Interest in Former Browns Head Coach Kevin Stefanski
Daniel Jones

Colts, Daniel Jones Appear to Have "Mutual Interest" in a 2026 Reunion
Cleveland Browns

Browns Fire Kevin Stefanski After Another Losing Season
Zay Flowers

Goes Off for 138 Yards, Two Touchdowns in Loss
Bo Bichette

Phillies Have Interest in Bo Bichette
Kansas City Royals

Matt Quatraro Signs Three-Year Extension With Royals
CFB

Transfer QB Billy Edwards Commits to North Carolina
CFB

Sam Leavitt Visiting Texas Tech on Saturday
CFB

DJ Lagway Expected To Visit Florida State
Kyle Tucker

Blue Jays "Remain the Favorite" to Sign Kyle Tucker
CFB

Joey Aguilar Undergoes Surgery to Remove Tumor on Friday
CFB

Texas the "Team to Beat" for Transfer Running Back Isaac Brown
CFB

Rocco Becht to Follow Matt Campbell to Penn State?
CFB

Texas Targeting Cam Coleman in Transfer Portal
CFB

Former Texas Running Back CJ Baxter Visiting Kentucky
CFB

Beau Pribula Visiting Virginia Tech, Georgia Tech

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