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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.

Featured Promo: Save 50% the regular price with discount code SPRING, for a limited time. Exclusive access to our Team Sync platform, DFS cheat sheets, Lineup Optimizers, betting/prop picks, and exclusive content from Nick Mariano and Eric Cross! GAIN ACCESS NOW

 

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

Sam Merrill

Iffy for Game 3 on Saturday
Anthony Edwards

Rejoins Starting Lineup Friday
Kevin Huerter

Likely to Remain Out Saturday
Jarred Vanderbilt

Considered Questionable for Saturday
Jalen Williams

Ruled Out for Game 3 Against Lakers
Ayo Dosunmu

Cleared to Play Friday
Anthony Edwards

Available Friday Night
Joel Embiid

is Returning for Game 3 on Friday
Brandon Ingram

Undergoes Heel Surgery
Josh Hart

is Available to Play in Game 3
OG Anunoby

is Downgraded to Out for Game 3 on Friday
Mitchell Robinson

is Returning for Game 3
Mats Zuccarello

Expected to Play Saturday
Joel Eriksson Ek

to Be a Game-Time Decision Saturday
Jonas Brodin

Still Out Saturday
Josh Manson

Could Return Saturday
Kaedan Korczak

Scratched for Game 3 Against Ducks
Radko Gudas

Likely to Remain Out Friday
Sam Carrick

Won't Play Friday
Isiah Pacheco

Can Isiah Pacheco Re-Establish His Dynasty Value in Detroit?
Rico Dowdle

Dynasty Ceiling Limited By Backfield Committee in Pittsburgh
Rashid Shaheed

a High-Risk, High-Reward Buy-Low Candidate for Dynasty Managers
Marcus Mariota

Is Marcus Mariota Worth Stashing as an Injury Replacement in Dynasty Leagues?
Jacoby Brissett

a Clear Sell-High Candidate for Dynasty Managers
Blake Snell

to Make Season Debut for Dodgers on Saturday
Najee Harris

Can Najee Harris Re-Establish Some Dynasty Value in 2026?
Cole Ragans

Royals Place Cole Ragans on Injured List With Elbow Impingement
Breece Hall

Jets Sign Breece Hall to Three-Year Extension Worth $45.75 Million
Sean Strickland

An Underdog At UFC 328
Khamzat Chimaev

Set For UFC 328 Main Event
Tatsuro Taira

Can Become The New Flyweight Champion
Joshua Van

Set For His First Title Defense
Alexander Volkov

Looks To Win Back-To-Back Fights
MMA

Waldo Cortes-Acosta Looks To Extend His Win Streak
Nick Lodolo

Officially Activated, Making Season Debut on Friday
Denver Broncos

Broncos Sign GM George Paton to New Five-Year Deal
Brandon McManus

Packers Release Kicker Brandon McManus
New York Jets

Jets Talking to a "Number of Veteran Quarterbacks"
Travis Etienne Jr.

a Reliable Dynasty Starter Entering First Season With Saints
Kenneth Gainwell

Is Kenneth Gainwell's Dynasty Stock Still Rising After Offseason Change of Scenery?
Mac Jones

a Deep-League Dynasty Stash Candidate
Tez Johnson

Facing Uphill Battle for Playing Time in Tampa Bay
Jared Goff

Remains a High-Floor Dynasty QB2 Heading into 2026
De'Von Achane

Remains a High-End Dynasty RB Despite Uncertain Supporting Cast
Xavier Worthy

Chiefs Limited Xavier Worthy's Usage After Injury Last Year
Rashee Rice

Chiefs Not Ready to Discuss Extension With Rashee Rice?
Cade Otton

Remains a Quality Dynasty Depth Piece
CFB

Walker Lyons Could be Go-To Target for Bear Bachmeier
Austin Reaves

Scores 31 Points in Game 2 Defeat
T.J. Hockenson

Bounce-Back Chances Stifled by Improved Pass-Catching Depth
CFB

Ty Benefield a Potential Game-Changer for LSU Defense
Chet Holmgren

Anchors Thunder Past Lakers in Game 2
CFB

Hayden Lowe Set for Significant Role Following Miami's NFL Departures
Jordan Addison

Facing Competition for No. 2 Role?
Tobias Harris

Stays Hot in Game 2 Victory
Cade Cunningham

Pushes Pistons to 2-0 Series Lead
CFB

Taylor Wein in Position for Big Season on Oklahoma's Defensive Line
Jarrett Allen

Provides Bright Spot in Cavs' Game 2 Loss to Pistons
CFB

Rasheem Biles an Instant Impact Player for Texas
James Harden

Struggles in Game 2 Loss
Donovan Mitchell

Finishes Game 2 Loss with 31 Points
Gradey Dick

Open to Trade Away From Toronto
Michael Porter Jr.

Wants to Stay in Brooklyn
Dan Vladar

Looks to Return to Winning Ways Thursday
Connor Dewar

Penguins Re-Sign Connor Dewar for Two Years
Mikko Rantanen

Played Through Torn MCL Late in the Season
Rasmus Dahlin

Ready to Go Friday
Alexander Nikishin

Set to Return Thursday
Christian Dvorak

Available Thursday
Owen Tippett

Remains Out Thursday
Roman Anthony

Heading for the Injured List
CFB

Sam Leavitt Expected to Be Full-Go for Fall Camp
Tarik Skubal

Could Return in 4-6 Weeks After Successful Elbow Surgery
Cole Ragans

Royals Hopeful That Cole Ragans Makes his Next Start
Mark Stone

Nets Late Power-Play Goal in Losing Effort
Leo Carlsson

Pots Game-Winner Wednesday Night
Juraj Slafkovsky

Ends Point Drought in Game 1 Loss
Bowen Byram

Ties Franchise Record With Fourth Postseason Goal
Zach Benson

Posts Second Consecutive Multi-Point Game
Rasmus Dahlin

"Seems Fine" After Early Exit on Wednesday
Emilio Pagán

Emilio Pagan has Grade 2 Hamstring Strain, Expected to Miss 4-8 Weeks
Joe Ryan

Listed as Scheduled Starter for Saturday Against Cleveland
Tyler Glasnow

Not Expected to Land on the Injured List
Framber Valdez

Suspension Reduced to Five Games
Nils Hoglander

Will Miss World Championship Due to Injury
Framber Valdez

Suspended Six Games
Tyler Glasnow

Exits Early on Wednesday With Back Pain
CFB

Brauntae Johnson the Next Star in Notre Dame's Secondary?
CFB

Ethan Barbour a Name to Know in Georgia's Tight End Room
CFB

Payton Pierce Next Up at Linebacker for Ohio State
CFB

Javin Gordon to Play Significant Role for Tennessee?
CFB

Tanook Hines Stepping into WR1 Role for USC
CFB

Rueben Owens II has "Star Potential" in Fourth Campaign
Brandon Woodruff

has Fluid Drained From his Right Shoulder
Brandon Woodruff

to Resume Throwing on Saturday, Return Imminent?
Carlos Correa

to Have Season-Ending Ankle Surgery
Jacob Misiorowski

Listed as Friday's Probable Starter
Logan Webb

Dealing With Knee Discomfort
Carlos Correa

Expected to Miss Significant Time With Ankle Injury
Collin Morikawa

Withdraws From Truist Championship
Xander Schauffele

Carries Elite Form Into Quail Hollow
Hideki Matsuyama

Looks to Bounce Back at Truist Championship
Matt Fitzpatrick

Secures Third Win of 2026 Season
Patrick Cantlay

Continues Playing Well Heading to Truist Championship
Ludvig Aberg

Returns to Action For Truist Championship
Justin Thomas

Searching for Consistency at Quail Hollow
Jordan Spieth

Looks to Break Through at Quail Hollow
Adam Scott

Brings Strong Form to Quail Hollow
Robert MacIntyre

a Steady Option at Truist Championship
Jason Day

Looks to Overcome Approach Struggles at Quail Hollow
Akshay Bhatia

Looks for Complete Game at Truist Championship
Emilio Pagán

Emilio Pagan Headed for Injured List With Hamstring Injury
Emilio Pagán

Emilio Pagan Carted Off With Apparent Hamstring Injury on Tuesday
Justin Rose

to Continue Mid-Season Club Change at Truist Championship
Si Woo Kim

is Back to Peak Form Ahead of Truist Championship
Sam Burns

to Bounce Back at Truist Championship
Cameron Young

Looks to Carry Dominance to Quail Hollow
Rory McIlroy

Returns to Familiar Stomping Grounds This Week at Quail Hollow
Chris Gotterup

Looking to Bounce Back at Quail Hollow
MLB

Cardinals-Brewers Game Postponed on Tuesday
Tommy Fleetwood

Looking For Better Iron Play at Quail Hollow
CFB

Mario Craver Enters No. 1 Wide Receiver Role for Marcel Reed
CFB

LaNorris Sellers a Strong Rebound Candidate in 2026
CFB

Cam Coleman Poised for Monster Year at Texas?
CFB

Will Hammond Pushing to Be Ready for Week 1
Alex Fitzpatrick

Looking to Keep Up Ball-Striking Output at Quail Hollow
CFB

Notre Dame Leads College Football in Returning Snaps
CFB

Two Ole Miss Football Players Arrested, Charged with DUI
Ben Griffin

Looks Solid on the Surface Heading to Charlotte
Chase Elliott

Earns his Second Texas Motor Speedway Victory
Denny Hamlin

Misses Out on Winning at Texas
Alex Bowman

Finishes Third for the Second Week in a Row at Texas
Tyler Reddick

Earns Seventh Top-Five Finish of the Season at Texas
Chris Buescher

Scores his First Career Texas Finish in the Top Five
CFB

Bryce Underwood in Better Situation Entering Sophomore Season
CFB

Nico Iamaleava Emerging as Leader, Playmaker for UCLA
Jack Della Maddalena

Gets Dominated At UFC Perth
Carlos Prates

Shines At UFC Perth
Beneil Dariush

Suffers A First-Round TKO Loss
Quillan Salkilld

Remains Unbeaten In The UFC
Tim Elliott

Drops Decision At UFC Perth
Steve Erceg

Wins Back-To-Back Fights
Ollie Schmid

Suffers First-Round TKO Loss
Marwan Rahiki

Remains Unbeaten
Christopher Bell

Is Christopher Bell Worth Rostering for Texas Lineups?
William Byron

Might have the Speed to Compete for the Win at Texas
Joey Logano

Provides Solid Upside for Texas DFS Lineups
Chase Briscoe

Could Chase Briscoe be A Sneaky Pick for Texas Lineups?
Ty Gibbs

Should DFS Managers Roster Ty Gibbs at Texas?
Daniel Suarez

Is Daniel Suarez Worth Rostering After Career-Best Starting Position at Texas?
Kyle Busch

Is a DFS Risk Starting in the Top 10 at Texas
Tyler Reddick

One of the Favorites to Win at Texas
Chase Elliott

Could Contend for Another Win at Texas
Carson Hocevar

on Pole at Texas
NASCAR

Bubba Wallace Wrecks in Practice at Texas
Chris Buescher

Looking to Continue Strong Run at Texas
Austin Dillon

Blows Engine in Practice at Texas
RANKINGS
C
1B
2B
3B
SS
OF
SP
RP

RANKINGS

QB
RB
WR
TE
K
DEF