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Week 21 Waiver Wire - Starting Pitchers

Nick Mariano's starting pitcher (SP) fantasy baseball waiver wire targets and adds. Free agent pickups and starting pitcher sleepers for Week 21 of the 2018 MLB season.

I hope you're all ready to do whatever it takes in these last six weeks of the season to win. It might mean dropping a big name for a streamer or, if you still have trades, "losing the trade" to win the league. Don't be shy about your needs and don't be ignorant of how many innings you and your opponents have left in roto formats. Don't overlook how your H2H playoff opponent's rosters are constructed. This is crunch time.

If you want to chat more about additional arms/bats/whatever, you can find me on Twitter @NMariano53 and ask any follow-up questions.

We're using Yahoo ownership levels and cutting things off around 30% this week. Here are my starting pitcher waiver-wire targets for Week 21.

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Starting Pitcher Waiver Wire Targets

Joe Musgrove (PIT – SP/RP): 30% owned

Musgrove finally found some strikeouts alongside his low ratios, as he’s fanned 13 batters across 13 frames in his last two starts. Of course, he had struck out just two in each of his previous three outings, so please mind the reasonable range of outcomes. Luckily for us (and him), he owns a 2.12 ERA/0.88 WHIP over the last 30 days, which makes him 12-team viable no matter how you slice it.

Tyler Glasnow (TB – SP/RP): 26% owned

Glasnow squares off with the Red Sox and impressed more than the box score shows. Though he allowed five runs (four earned) over 6 ⅔ innings, he fought through poor control with three straight walks in the first inning. He didn’t walk another hitter across the next 5 ⅔ IP, which leaves me encouraged. The youngster showed poise and one bad inning against the Sox still leaves him with a 24-to-6 K-to-BB ratio over 18 ⅓ IP as a Ray. He gets to face the Royals for his 25th birthday on Aug. 23, so let’s hope he gives us all something to celebrate.

Anthony DeSclafani (CIN – SP): 26% owned

Hopefully, most of you sharps are part of the 20 percentage points of growth in DeSclafani’s ownership rate this past week. It turns out that yielding two earned over a span of three starts that last at least seven frames is a great thing. Who knew? He was owned in far more leagues two years ago before getting hurt and losing all of 2017, and now the rust may finally be off. He does have a tough assignment at Wrigley Field next, but his performance of late warrants a pickup even if you choose to bench him for that spot.

Matthew Boyd (DET – SP/RP): 23% owned

Boyd is another box-score victim, as he saw three earned runs tarnish his line in the seventh inning. I’m a little surprised he stayed in after giving up a string of hits to open the seventh, and then his bullpen allowed two inherited runners to score. Perhaps if Detroit had a more reliable ‘pen then Boyd would have yet another QS to his name and you’d all be clamoring for his service. As it stands, I get why a guy without a strong track record needs to overperform in order to convince you. But he is throwing his slider at triple the rate of 2017 as he attacks higher in the zone with his fastball. The wins may not come in the Motor City, but he’s worthy of ownership beyond 30%.

Derek Holland (SF - SP): 21% owned

It’s possible that some of you simply streamed Holland against the Mets because they’re the Mets. Although, they’ve actually been one of the best offenses this month...but that’s another story. So for those of you who don’t know what you’ve got on your hands, Holland has become a different pitcher since repositioning himself on the rubber. All of his fielding-independent metrics align with a ~3.00 ERA since then, but those in QS leagues should note he's only gone six full innings (or more) in five of his last 12 starts. But let's end on a high note -- his 27.5% strikeout rate over that span ranks 19th out of 113 starters with >50 IP. Heyo!

Alex Cobb (BAL – SP): 21% owned 

After a brief flash of hope, once he started throwing his splitter again, Cobb had once again faded from fantasy relevance. However, he’s definitely back in the conversation after tossing a complete game against the AL Central-leading Indians. Did you know that he had posted four straight QS against the Rays, Yankees, Red Sox, and Rays again before that? Yes, he’s actually been that good.

And yet, he also hasn’t. I know, what a cheap transition. The facts are that many of you still need wins, which Baltimore is not known for. Many of you also need strikeouts, which doesn’t jive with Cobb’s 5.44 K/9 in those last seven outings, but the 3.44 FIP and 4.06 xFIP make more sense. And while he's shown he can handle the AL's best, his having to face the Yankees again this week isn't what we want to target. I won't hate you for adding him, but I'd really look elsewhere first.

Austin Gomber (STL – SP/RP): 20% owned

Gomber hadn’t allowed an earned run in either of his last two starts and nearly pulled off his magic again on Monday. He’d fired off four scoreless frames against the Dodgers before they finally got him for two runs in the fifth. The Cardinals were up 3-2 at that point, but the bullpen couldn’t hold on for his third straight win. I'll be the first to admit that the southpaw's 36-to-23 K-to-BB ratio is terrifying, but he's gone about as far as a 7.1% K-BB% is going to take you. Tread carefully, I'd likely add his teammate further down the list first, but I also respect anyone chasing a hot hand.

Brett Anderson (OAK – SP): 16% owned

After twirling 7 ⅔ scoreless innings against the Mariners in his previous start, Anderson needed just 93 pitches to blank the Rangers over seven innings of work. He allowed just one hit and one walk, which brings his post-injury WHIP below 1.00 and his ERA down to 2.11. That said, the biggest surprise might be his six strikeouts, as he had punched out just 19 across 40 innings prior to Tuesday. No one will try to convince you that he’s an ace incapable of surrendering a run, but don’t underestimate the power of Oakland’s spacious park, their top-10 defense (per Fangraphs' DEF chart) and Anderson’s own abilities when healthy. He’s just never been healthy for very long, so enjoy it while it lasts!

Jordan Zimmermann (DET - SP): 12% owned

Zimmermann looked healthy in Tuesday’s start as he limited the Cubs to just one run, an Anthony Rizzo homer, over six innings of work. We’ve been fooled into thinking he’s healthy and “back” before in ‘18, only to see him crumble again. Whether it was just a loss of command or pain from his constant neck/shoulder injuries, I don’t know. What I do know is he looked strong here and gets to face the White Sox next, making him a decent streamer.

Touki Toussaint (ATL - SP): 11% owned

Toussaint will get another chance against the Marlins on Thursday, as the rookie swiftly sees another opportunity to start in the bigs. He cruised through six innings in his debut against the fish and shouldn’t be viewed any less favorably in this spot. My hope is to see more than six swinging strikes on 82 pitches and perhaps some clear pitch-mixing changes compared to his first outing. Though he could pitch the exact same sequence and I’d still want to stream him for this matchup.

Adam Plutko (CLE - SP): 8% owned

Months ago we had Plutko and Shane Bieber battling for one rotation spot, but Trevor Bauer’s injury combined with Cleveland’s cushy lead in the AL Central means both should finish out the regular season in the rotation. Plutko bought some leash by tossing seven innings of three-run ball against Baltimore in his first start back, though he had some misfortune there. He allowed only four baserunners that day, but three would score on one swing from Jonathan Villar in the third inning. The longball has been an issue for the 26-year-old righty, as he’s given up as many dingers (12) as walks issued across 48 ⅔ IP thus far. At least he has good control, right? He’ll need all of it at the ready against Boston on Thursday.

Daniel Poncedeleon (STL – RP): 5% owned

The Cardinals have sent Luke Weaver to the bullpen as their starting rotation makes the slow transition to elite (?) relief unit. This means there’s a vacant rotation slot that Poncedeleon has been awarded, which he turned into a solid outing on Tuesday night. After dazzling us with seven no-hit innings in his first MLB start, he struck out eight Dodgers while yielded one run over four innings. The K's are especially encouraging after he had rung up 10 batters in 17 ⅔ overall innings prior to Tuesday, but it makes sense given his wicked 26.3% strikeout rate over 92 Triple-A innings this year. I know four innings meant no win, but getting to 90 pitches in an effective manner is a win in its own right moving forward. I'd be fine penciling him in as my SP5/6 heading into September.

 

More Waiver Wire Pickups and Streamers




REAL-TIME FANTASY NEWS

Teoscar Hernández

Teoscar Hernandez Lifted From Wednesday's Game Early With Hamstring Strain
Younghoe Koo

Jets Sign Kicker Younghoe Koo on Wednesday
Quinn Ewers

Looks Good in Wednesday's OTA Practice
Kenley Jansen

Exits Relief Appearance on Wednesday With Groin Injury
Ty Johnson

Taking Part in OTAs
Ja'Tavion Sanders

Cutting Laterally at OTAs
Tre' Harris

has Been a Top-Three Receiver During Offseason Program
Makai Lemon

Already Working With Starters in OTAs
AJ Barner

Undergoes Offseason Procedures, Not Taking Part in OTAs
Zach Charbonnet

Might Not Return Until Midseason
Von Miller

"For Sure" Plans to Play in 2026
Alvin Kamara

Not at OTAs But Preparing for the 2026 Season
Lamar Jackson

"Absolutely" Wants to Stay With Ravens Long-Term
Mason Plumlee

NBA Upgrades Mason Plumlee's Foul to a Flagrant 1
Victor Wembanyama

Receives Warning From NBA
Atlanta Hawks

Hawks Promote Onsi Saleh to President of Basketball Operations
Jalen Williams

Listed as Questionable for Game 6
Ajay Mitchell

Ruled Out for Game 6
Michael Penix Jr.

Not Cleared for 11-on-11 Work
Jacoby Brissett

Still Absent From OTAs This Week
George Kittle

Still Hoping to be Ready for Week 1
Micah Parsons

Expected to Open Training Camp on the PUP List
Tucker Kraft

Packers Hopeful Tucker Kraft Will Participate in Training Camp
Jacory Croskey-Merritt

Held Out of OTAs on Wednesday
Jayden Daniels

Participating in Commanders OTAs
Chris Bell

No Timetable for Chris Bell's Return from Knee Surgery
De'Von Achane

Limited in OTAs Due to Recovery From Shoulder Injury
MarShawn Lloyd

Participating in Packers OTAs
Eury Pérez

Eury Perez Pulled Early on Wednesday With Hamstring Issue
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Drew Mestemaker a Top Big 12 Quarterback Right Away?
PGA

Sungjae Im Remains Boom-or-Bust at Colonial
PGA

Michael Thorbjornsen Trending in Wrong Direction Entering Colonial
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Limited to Nine Points in Game 5 Loss
Russell Henley

a Top Option at Colonial
Harry Hall

Hoping Putter Carries Him at Colonial
Julian Champagnie

Notches 22 Points With Four Triples Tuesday
Stephon Castle

Leads Spurs in Scoring Tuesday Night
Rickie Fowler

Looks to Regain Momentum at Colonial
Victor Wembanyama

Struggles in Game 5 Loss to Thunder
Alex Caruso

a Difference-Maker Again in Game 5
Pierceson Coody

Looking to Stay Hot at Colonial
Jared McCain

Produces 20 Points in First Playoff Start
Shai Gilgeous-Alexander

Scores Game-High 32 Points in Game 5 Win
Martin Necas

Collects an Assist in Game 4 Loss to Golden Knights
Gabriel Landeskog

Scores Only Avalanche Goal in Season-Ending Loss
Carter Hart

Finishes Series-Clincher With 20 Saves
Dylan Coghlan

Continues Unlikely Success Story
Cole Smith

Scores Series-Clincher Tuesday Night
Mark Stone

Nets Another Goal as Golden Knights Finish Off Avalanche
Ludvig Aberg

Looking to Exchange Momentum for a Victory in Fort Worth
Stephan Jaeger

Trending Upward as PGA Heads to Fort Worth
Max Homa

Comes Off Awful Putting Performance at PGA Championship
Tony Finau

Faces Different Test at the Colonial
Robert MacIntyre

Seeks Better Beginning in Fort Worth
Tom Hoge

Ups and Downs Could Continue at Colonial
Brian Harman

Not Having the Best Golf Season in 2026
Austin Eckroat

Struggling Too Often Heading to Charles Schwab Challenge
Zach Bauchou

Tries to Keep Momentum Rolling at Colonial
Keegan Bradley

Looking to Rebound at Colonial
Jared McCain

Moves into Starting Five
Boston Celtics

Joe Mazzulla Wins Coach of the Year
Jalen Williams

is Ruled Out for Game 5 on Tuesday
Zion Williamson

to See More Versatile Role
Cleveland Cavaliers

Kenny Atkinson to Remain Cavaliers Head Coach Next Season
Claude Giroux

Planning to Return for 20th NHL Campaign
Carter Hart

Aiming for Sixth Consecutive Win Tuesday
Evgeni Malkin

Inks New One-Year Deal With Penguins
Mackenzie Blackwood

in Net for Game 4 Against Golden Knights
Valeri Nichushkin

a Game-Time Call Tuesday
Nathan MacKinnon

Will Suit Up Tuesday
Ben Griffin

Looking to Repeat This Week at Colonial
Rasmus Hojgaard

a Player to Avoid at Charles Schwab Challenge
Hideki Matsuyama

Needs Solid Driving Week at Charles Schwab Challenge
Justin Thomas

Trending Well Ahead of Charles Schwab Challenge
Akshay Bhatia

Lacking Driving Prowess Needed at Colonial Country Club
CFB

DJ Lagway Looking to Rebound at Baylor
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Josh Hoover Tasked With Leading Indiana Back to the Playoffs
CFB

Braylon Staley the Next 1,000-Yard Tennessee Receiver?
CFB

Ahmad Hardy's Return Timeline Remains Unclear
Evan Mobley

Finishes Season-Ending Loss With 15 Points
James Harden

Wants to Stay in Cleveland
Donovan Mitchell

Remains Committed to Cavaliers
Mikal Bridges

Cools Off in Game 4 Against Cavaliers
Ivan Demidov

Contributes an Assist in Losing Effort
Lane Hutson

Records Power-Play Goal in Game 3 Loss
Frederik Andersen

Enjoys Another Easy Night at the Office in Game 3
Shayne Gostisbehere

Scores First Postseason Goal
Taylor Hall

Ends Four-Game Goal Drought
Andrei Svechnikov

Scores Game 3 Winner in Overtime
Gage Jump

Athletics to Promote Top Pitching Prospect Gage Jump to Major Leagues
Tatsuya Imai

Two Relievers Combine to No-Hit the Rangers on Monday
Valeri Nichushkin

Nathan MacKinnon, Valeri Nichushkin Uncertain for Game 4
Oliver Kapanen

Sitting as Healthy Scratch Monday
Max Domi

Out Indefinitely Due to Offseason Surgery Complications
Dylan Cease

Heading to Injured List With Hamstring Injury
Daniel Suarez

Wins at Charlotte in Rain-Shortened Coca-Cola 600
Christopher Bell

Finishes as the Runner-Up in the Coca-Cola 600 at Charlotte
Denny Hamlin

Falls Short of Winning and Places Third at Charlotte
Tyler Reddick

Places Fourth After Leading Laps at Charlotte
Kyle Larson

Strong and Consistent Day Ends in Fifth at Charlotte
Dylan Cease

Removed From Sunday's Start With Hamstring Discomfort
Vladimir Guerrero Jr.

Exits Sunday's Game Early with Elbow Contusion
MLB

Reds-Cardinals Game Postponed on Sunday
Edward Cabrera

Cubs Place Edward Cabrera on the 15-Day Injured List
Denny Hamlin

the Favorite to Win at Charlotte
Tyler Reddick

on Pole for Coca-Cola 600
Christopher Bell

Could Break Out of Slump
Kyle Larson

May have A Solid Day at Charlotte
Ryan Blaney

Is A DFS Risk for Charlotte Lineups
William Byron

Could have A Great DFS Performance at Charlotte
Chase Briscoe

Is A Solid Tournament Option for Charlotte DFS Lineups
Ty Gibbs

May not be Worth his Salary for Charlotte DFS Lineups
Chris Buescher

May be a Sneaky Tournament Option for Charlotte Lineups
NASCAR

Bubba Wallace Has Favorable Upside for Charlotte DFS Lineups
Ross Chastain

Is A Strong Addition for DFS Lineups at Charlotte
Austin Dillon

Should Fantasy Managers Roster Austin Dillon for Charlotte DFS Lineups?
Chase Elliott

Should Be Strong at Charlotte
Carson Hocevar

Confident for Coca-Cola 600
Corey Heim

a Chalk DFS Pick at Charlotte
Michael McDowell

Is Michael McDowell A Tournament Option for Charlotte Lineups?
MLB

Orioles-Tigers Game Postponed on Saturday
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Rays-Yankees Postponed on Saturday
Mickey Moniak

Heads to Injured List With Ankle Sprain
Jackson Merrill

has Sore Ribs, Expected to Avoid Injured List
CFB

Jaron-Keawe Sagapolutele Looking to Take Sophomore Leap
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Jadan Baugh Primed to Lead Florida Offense in 2026
CFB

LSU Hires Ed Orgeron As Special Assistant
CFB

North Carolina and South Carolina Cancel Home-And-Home Series
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Confidence High in Mississippi State's Kamario Taylor
MLB

Reds-Cardinals Game Postponed on Friday
Trevor Story

has Hernia Surgery, Expected to Miss 6-10 Weeks
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Dealing With Sprained Ligament in his Finger
RANKINGS
C
1B
2B
3B
SS
OF
SP
RP

RANKINGS

QB
RB
WR
TE
K
DEF