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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

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Ronald Acuna Jr. Exits Early, X-Rays Come Back Negative
Jrue Holiday

Wants to Stay in Portland
Ayo Dosunmu

Timberwolves Hope to Bring Back Ayo Dosunmu
Dylan Harper

Considered Questionable for Friday Night
De'Aaron Fox

Listed as Questionable for Game 3
Jalen Williams

Questionable for Game 3 Against Spurs
Alex Tuch

Hopes to Remain in Buffalo
Sidney Crosby

Wants to Play for "as Many Years as Possible"
Troy Terry

Could Miss Start of Next Season Due to Hip Surgery
Arber Xhekaj

Scratched for Game 1 of Eastern Conference Finals
Jakub Dobes

Seeks More Success Against Hurricanes
Frederik Andersen

Looks to Stay Undefeated Thursday
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Not Taking Part in OTAs as Value Continues to Plummet
Carnell Tate

Receiving Early Buzz at OTAs
Ashton Jeanty

Bigger Role Could be Coming for Ashton Jeanty in Year 2
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Will Undergo Tommy John Surgery
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' Goal is to be Ready for Start of the Season
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Dealing With Injury at OTAs?
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Says he Feels "Really Good"
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Door isn't Closed for Keenan Allen in Los Angeles
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Fernando Mendoza

Working Behind Other QBs
Cam Ward

is "Perfectly Healthy"
James Cook III

Absent From OTA Practices This Week
Darnell Washington

Is it Time to Drop Darnell Washington in Dynasty Leagues?
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a Top Dynasty Target Even if He Doesn't Start Week 1?
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Dynasty Outlook Dependent on Landing Spot
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Insurance Upside Makes Him a Borderline TE1 in Dynasty
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One of the Most Valuable Assets in Dynasty
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Still Provides Some Dynasty Insurance as His Standalone Value Fades
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Tallies Team-High 25 Points in Game 2 Loss
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Records Eighth Postseason Double-Double
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Nolan Smith Arrested for Speeding and Reckless Driving
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Bounces Back With Double-Double
Shai Gilgeous-Alexander

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Exits Game 2 Early Due to Right-Leg Injury
Jalen Williams

Suffers Another Hamstring Injury
Valeri Nichushkin

Ends Scoring Slump in Game 1 Loss
Nathan MacKinnon

Extends Point Streak With an Assist
Brett Howden

Pots Another Goal in Game 1 Win Against Avalanche
Tomas Hertl

Extends Point Streak to Four Games
Pavel Dorofeyev

Scores in Fourth Straight Outing
Carter Hart

Records Third Consecutive Win
Timothy Liljegren

Capitals Re-Sign Timothy Liljegren to Two-Year Extension
Jackson Merrill

Tweaks his Back on Wednesday, Pulled Early
New York Giants

Giants Offense to be a Run-First Unit?
Chicago Bulls

Jerry Stackhouse Emerges as Bulls Head-Coach Candidate
Cooper Flagg

Kon Knueppel Headline All-Rookie Team
De'Aaron Fox

is Ruled Out for Game 2 on Wednesday
Jiri Kulich

Aims to Return Next Season
Jeremy Lauzon

Not Expected to Play Wednesday
Mark Stone

Likely to Remain Out Wednesday
Scott Wedgewood

Starting Western Conference Finals for Avalanche
Sam Malinski

Set to Return Wednesday
Artturi Lehkonen

Expected to Play Wednesday Night
Cale Makar

Will Miss Game 1 Against Golden Knights
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Lincoln Riley Believes USC is Ready for Playoff Run
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Notre Dame-Stanford Rivalry Renewed Through 2028
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Ahmad Hardy Says He's "Back to the Road to Success"
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Texas Tech Graduate Judge Recuses Himself from Brendan Sorsby Case
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UCLA Tackle Jordan Davis Officially Eligible for 2026 Season
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Bret Bielema Supports Significant College Football Playoff Expansion
Michael Thorbjornsen

Brings High Upside to CJ Cup Byron Nelson
Luke List

Carrying Poor Form Into CJ Cup Byron Nelson
Tom Kim

Hoping to Build on Strong Myrtle Beach Finish
PGA

Sungjae Im Brings Upside to TPC Craig Ranch
Billy Horschel

Looking for Turnaround at CJ Cup Byron Nelson
Adam Hadwin

Difficult to Trust at TPC Craig Ranch
Tony Finau

Looking for Consistency at TPC Craig Ranch
Luke Clanton

Searching for Form at CJ Cup Byron Nelson
Aaron Rai

Withdraws From CJ Cup Byron Nelson
Wyndham Clark

Can Wyndham Clark Find Form at CJ Cup?
Si Woo Kim

Looks To Stay Hot at CJ Cup
James Harden

Struggles in Eastern Conference Finals Opener
Evan Mobley

Bags Second Consecutive Double-Double
Donovan Mitchell

Produces Top Two-Way Performance in Game 1 Loss
OG Anunoby

Plays Key Role in Comeback Win
Mikal Bridges

Remains Efficient in Game 1 Against Cavaliers
Karl-Anthony Towns

Extends Double-Double Streak to Four Games
Scottie Scheffler

to Defend CJ Cup Byron Nelson Title This Week
Jordan Spieth

Looking For Victory at TPC Craig Ranch
PGA

Matti Schmid Looks to Keep Recent Momentum Going at TPC Craig Ranch
Brooks Koepka

a High-Upside Play at CJ Cup Byron Nelson
Yandy Díaz

Yandy Diaz Exits Early on Tuesday After Being Hit By Pitch
Chris Kirk

Continues Search For Putting Form at TPC Craig Ranch
Rasmus Hojgaard

Looking to Shake Off Poor Major Showing at TPC Craig Ranch
Joel Dahmen

is of No DFS Consideration This Week in Dallas
Pierceson Coody

is Not The Fun DFS Play He Used to Be
Gerrit Cole

to Make Season Debut on Friday Against Rays
Drake Baldwin

Braves Place Drake Baldwin on Injured List With Oblique Strain
CFB

Ezavier Crowell has Immediate Opportunity at Alabama
CFB

Mark Bowman a Day 1 Impact Player for USC?
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Bill Belichick Says Relationship with First North Carolina Team "Wasn't Great"
CFB

Kemario Taylor a Breakout Candidate at Quarterback
CFB

Trinidad Chambliss the Undisputed Top SEC Quarterback Entering 2026?
CFB

Rocco Becht The "Unifier" of Penn State's Roster
Mattias Samuelsson

Picks Up an Assist in Season-Ending Loss
Jackson Holliday

Orioles Reinstate Jackson Holliday From Injured List on Monday
Ronald Acuña Jr.

Braves Reinstate Ronald Acuna Jr. From Injured List on Monday
Jose Altuve

Astros Put Jose Altuve on Injured List With Oblique Strain
Corey Seager

Going on Injured List With Back Injury
Jeremy Peña

Jeremy Pena Reinstated and Starting on Monday Against Twins
Melquizael Costa

Drops Decision At UFC Vegas 117
Arnold Allen

Bounces Back
Daniel Santos

Suffers Second-Round TKO Loss
MMA

Dohoo Choi Wins His Third Consecutive Fight
Malcolm Wellmaker

Suffers His Second Loss In A Row
Juan Diaz

Scores Second-Round Submission
Christian Edwards

Defeated At UFC Vegas 117
CFB

Transfer Running Back Arnold Barnes Visiting Iowa State on Monday
Modestas Bukauskas

Gets Split-Decision Win
Jhostynxon Garcia

Expected to Join the Pirates on Tuesday
Colt Emerson

Mariners Promoting Top Prospect Colt Emerson to Major Leagues
Munetaka Murakami

Fantastic First Season Continues With Two More Homers
Cristopher Sánchez

Cristopher Sanchez Dazzles With 13-Strikeout Complete Game on Saturday
Blake Snell

to Undergo Elbow Surgery on Tuesday
Clay Holmes

Could Miss Around Three Months
Jose Altuve

Exits After Swing
Corey Seager

Absent With Back Spasms on Saturday
Trevor Story

Hits the Injured List With Groin Injury
Blake Snell

Likely to Need Elbow Surgery
RANKINGS
C
1B
2B
3B
SS
OF
SP
RP

RANKINGS

QB
RB
WR
TE
K
DEF