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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

Tristan da Silva

Ruled Out for Monday
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Ruled Out for Monday
Quentin Grimes

Uncertain to Suit Up Against Nets
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Ruled Out for Monday
Dominick Barlow

Might Miss Tuesday's Meeting with Brooklyn
Deandre Ayton

Available Against Suns
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Available for Monday
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Austin Reaves

May Return on Tuesday
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Not Ready to Return Tuesday
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Ruled Out for Monday
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Ruled Out for Monday
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to Exit Knicks Lineup Tuesday
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on Track to Return Tuesday
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Jonas Valanciunas Available for Monday
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Listed as Questionable for Tuesday
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Luka Doncic Out Tuesday, Considered Day-to-Day
Peyton Watson

Will Play on Monday
Josh Minott

Starting on Monday
Jalen Green

to Remain Out for 2-3 More Weeks
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to Miss Tuesday's Game
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Suspended for Two Games Following Confrontation with Fan
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Returns to Flyers Lineup
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Brandon Montour

to Miss Four Weeks After Hand Surgery
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Available Against Kings
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Ruled Out Monday
Leo Carlsson

Won't Play Monday
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Byrum Brown Entering Transfer Portal
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Bobby Petrino Joining Bill Belichick as North Carolina's Offensive Coordinator
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Notches Three Points Sunday
Connor McDavid

Continues Scoring Tear Against Vegas
Sidney Crosby

Becomes Pittsburgh's All-Time Leading Scorer
Tristan Jarry

to Miss Couple of Weeks
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Questionable to Return in Week 16 with Back Injury
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Shipped to the Red Sox
Patrick Kane

to Miss Fifth Consecutive Game
Tyson Kozak

Misses Second Consecutive Game
Jack Roslovic

Ready to Return Sunday
NJ

Arseni Gritsyuk Back in Devils Lineup Sunday
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Available Sunday
Jack Hughes

Returns From 18-Game Absence Sunday
J.T. Miller

Out Week-to-Week
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Done for the Season with Broken Leg
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Likely Tore His ACL on Sunday
Nick Chubb

Officially Active Against Raiders in Week 16
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Won't Return in Week 16
Woody Marks

Officially Inactive for Week 16
Quinshon Judkins

Carted Off in Week 16, Ruled Out with Apparent Leg Injury
Tua Tagovailoa

Dolphins Hope to Trade Tua Tagovailoa in the Offseason
Woody Marks

Not Expected to Play in Week 16
Washington Commanders

Commanders to Retain Dan Quinn, Fire Joe Whitt?
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Marcus Freeman is a Top Candidate in Giants' Head Coaching Search
Cincinnati Bengals

Zac Taylor Expected to Return as Bengals' Head Coach in 2026
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Pete Carroll's Future with Las Vegas Raiders in Doubt
Tee Higgins

Active for Week 16 Against Dolphins
Woody Marks

Plans to Play Against Raiders in Week 16
Tee Higgins

Likely to Play at Miami on Sunday
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Expected to Return in Week 16
Marvin Harrison Jr.

Expected to Play, Will Ease Back In
Romeo Doubs

Questionable to Return Against Bears in Week 16
Brandon Lowe

Pirates Acquire Brandon Lowe in Three-Team Trade
Shane Baz

Orioles Acquire Shane Baz From the Rays
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Darian Mensah Returning to Duke Next Season
CFB

Josh Hoover Linked to Indiana in Transfer Portal
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Arch Manning Agrees to Reduced Compensation for 2026 Season
Michael King

Padres Bring Michael King Back on Three-Year Deal
Logan Webb

Will Pitch for Team USA in World Baseball Classic
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Joins Team USA for World Baseball Classic
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Will Muschamp Becoming Next Texas Defensive Coordinator
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Beau Pribula Set to Enter Transfer Portal
Bo Bichette

Willing to Make the Move to Second Base
CFB

Jeremiyah Love Officially Heading to NFL Draft
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Jake Merklinger Leaving Tennessee for Transfer Portal

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