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Week 21 Waiver Wire - Starting Pitchers

Nick Mariano's starting pitcher (SP) fantasy baseball waiver wire adds. Free agent pickups and starting pitcher sleepers for Week 21 of the 2017 MLB season.

Are you feeling it now, Mr. Krabs? The end of the fantasy baseball season is near, with many folks starting to shift their attention to football and allowing some sneaky names to slip through the waiver wire’s cracks. August has but one week left and crunch time is now.

Perhaps your league doesn’t have trade deadlines and you can still make moves that way, but the waiver wire is now the only source of assistance for many fantasy owners. Here are my starting pitcher waiver wire targets for Week 21.

For our purposes, we’re going to use Yahoo ownership levels and try to cut things off around 30%.

Be sure to check all of our fantasy baseball draft tools and resources:

 

Starting Pitcher Waiver Wire Targets

Luke Weaver - (STL, SP): 23% owned

While Weaver was originally called up to take the injured Trevor Rosenthal’s spot in the bullpen, it didn’t take long for a vacancy to appear in the starting rotation. Adam Wainwright is out for the foreseeable future and that leaves St. Louis’ prized young arm for a useful stretch run. With most of August in the books, difference-makers are unlikely to fall out of trees moving forward. You will make the add, and even if he somehow falters against the Padres on Wednesday, you will stick it out.

Lucas Giolito - (CWS, SP): 22% owned

While I remain as lukewarm as a glass of water that’s been left out to sit all day on Giolito, there’s no questioning his top-prospect status and the fact that he now has the opportunity to make something of himself in the Majors. While the AL Central is not the NL East -- where he floundered last season -- he showed something in not issuing a single walk over six innings in his 2017 big-league debut. Of course, the trio of homers he allowed say that maybe he should’ve lived outside of the zone more, but it’s still improvement in a troubled area for him. He’ll look to strike a better balance in his next start on Aug. 27 at home against the Tigers.

Blake Snell - (TB, SP): 22% owned

Snell has looked much improved of late thanks to a rejuvenated curveball that he feels comfortable throwing enough to trust it early in counts. While his overall command is still shaky, the southpaw has put together enough at the moment to be a viable mixed-league asset -- illustrated by his 3.53 ERA/1.15 WHIP and 29 K’s in the last 30 days (35 2/3 innings). He squares off against the Cardinals on Aug. 26 in St. Louis next, where he’ll look to make it three wins in a row.

Tyler Glasnow - (PIT, SP): 19% owned

Glasnow isn’t going to be called up this week it seems due to his accruing service time in the beginning of the season, but has posted a silly 1.79 ERA and 113-to-27 strikeout-to-walk ratio over 75 1/3 innings since being demoted to Triple-A in June. As a result, fantasy owners who simply aren’t thrilled with the current landscape of Major League arms should speculate on his being called up in the near future for a September run. With Brent Honeywell unlikely to make an impact in ’17, this is the move.

Edwin Jackson - (WAS, SP/RP): 18% owned

The day of reckoning is here for Mr. Jackson, who will go up against the Astros in Houston on Wednesday after enjoying several softer matchups that myself and those of you that followed me into the breach have benefited from. The 33-year-old has posted a 2.92 ERA across six starts since Washington promoted him, but his .245 BABIP is a likely regression candidate and he does have a 4.67 FIP/4.60 xFIP over that same span. I want to believe, but I’m also a numbers guy. I like E-Jax as a matchups play down the road with the Nationals’ lineup behind him, but he’s certainly no must-start.

Adam Conley - (MIA, SP): 13% owned

Conley has posted a useful 3.25 ERA with four wins over his seven starts since being recalled on July 18, with his most recent venture to the bump yielding a stellar 11-strikeout gem against the Mets. While it would be unwise to chase that high and one needs to note that he’s leaning on an 81.8 percent strand rate, he’s also induced pop-ups at a greater rate (20.4 percent) than line drives (17.4 percent). He isn’t suddenly a reborn stud, but he should be able to take advantage of a home matchup against the Padres on Aug. 25 in his next outing.

Chad Bettis - (COL, SP): 13% owned

Despite tossing seven strong frames in each of his first two starts since returning from conquering cancer, Bettis has yet to notch a victory. He blanked the Braves on Aug. 14 and then allowed three runs to the Brewers on Aug. 19 for a 1.93 ERA/1.07 WHIP across 14 frames thus far, but three combined runs of support will hamstring any efforts at winning ballgames. He should fare better in a rematch with the Bravos on Aug. 25 in Atlanta.

Chad Kuhl - (PIT, SP): 9% owned

Just when you thought Edwin Jackson was being tested in a matchup against Houston, we now move along to Kuhl Whip. While his overall 4.52 ERA isn’t going to cause any of you to jump out of your seats, he does have a 3.83 FIP behind that mark and has posted a 3.21 ERA alongside a 4-2 record and useful 7.88 K/9 in his last 10 outings (since July 1). He’s kept the ball low, with only two homers allowed in those 56 innings, and will need every bit of that brilliance in his next scheduled start on Thursday against the red-hot Dodgers. If he can settle them down, then the sky’s the limit for his September.

Miguel Gonzalez - (CWS, SP): 9% owned

Even when you account for his seven-run shellacking at the hands of the Red Sox on Aug. 3, Gonzalez has posted a 3.07 ERA over his seven starts since coming off of the disabled list after the All-Star break. There are still plenty of fleas, but while he’s issued three-plus walks in five of those starts, he’s also allowed one or zero runs in five of them. The 26-to-19 strikeout-to-walk ratio stinks, but he’s also doing a good job at limiting big contact and allowing line drives at a poor 15.4 percent clip. He takes on the Tigers at home next on Aug. 25.

Robert Gsellman - (NYM, SP): 5% owned

While Gsellman has had a tumultuous 2017, he was able to throw 5 1/3 innings of two-run ball against the Yankees in his first start back on Aug. 16 before most recently holding the D-backs to one run over 6 1/3 frames. Both of those were home starts, as he’ll now be faced with a tough draw on the road against the Nationals on Aug. 26. That’s not exactly a recommended play, but he has the potential for several helpful starts in those playoff weeks.

 

More Waiver Wire Pickups and Adds

 

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REAL-TIME FANTASY NEWS

Alexandre Sarr

Out Against Jazz
Ayo Dosunmu

Questionable for Wednesday
Daniel Gafford

Iffy Against Denver
Quentin Grimes

Could Miss Another Game
Andrew Nembhard

Probable for Wednesday
Luke Kornet

Unavailable for Wednesday
Aaron Nesmith

Likely Available Wednesday
Pascal Siakam

Expected to Play Against Lakers
Igor Chernyshov

Returns to Sharks Lineup
Dylan Larkin

Good to Go Tuesday
De'Aaron Fox

Slated to Miss Wednesday's Matchup With Memphis
Ross Colton

Logan O'Connor, Ross Colton Available Tuesday
Jalen Johnson

Could Miss Third Straight Game
PHI

Sean Couturier Returns From Two-Game Absence
Joel Embiid

Questionable Against Bulls
Morgan Rielly

Back in Action Tuesday
Joel Eriksson Ek

Kirill Kaprizov, Joel Eriksson Ek Returning Tuesday
Kon Knueppel

Active Against Kings
Thomas Chabot

to Be "Out a While"
Pat Connaughton

Sidelined on Tuesday
Evgeni Malkin

Out Against Avalanche Tuesday
Joe Flacco

Reaches Agreement to Return to Bengals
Marvin Mims Jr.

Now a Trade Candidate in Denver?
Moses Moody

Sidelined for Remainder of Season
Stephen Curry

Won't Return on Wednesday
Anthony Edwards

Limited to Individual Work
Francisco Lindor

Likely to be Ready for Opening Day
Killian Hayes

Ruled Out Tuesday Against Charlotte
Precious Achiuwa

Will Not Play Tuesday
Chicago Bulls

Coach Billy Donovan Stepping Away From the Bulls at the End of the Season?
Ryan Gerard

Can Continue Rolling at Texas Children's Houston Open
Pierceson Coody

Bounces Back at Valspar Championship
Rasmus Hojgaard

Trying to Get Back on Track at Texas Children's Houston Open
Michael Thorbjornsen

Playing Well Heading to Texas Children's Houston Open
Harry Hall

Looking for Consistency at Texas Children's Houston Open
Brooks Koepka

Continues Building Momentum
Odell Beckham Jr.

Plans to Play in 2026
RJ Harvey

Ready for a Year 2 Jump?
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Buccaneers Expected to Discuss Extension With Baker Mayfield This Offseason
Brian Robinson Jr.

Falcons to Sign Brian Robinson Jr.
Joey Bosa

a Good Fit for the 49ers?
Lavonte David

Hanging Up his Cleats
Maxx Crosby

Dealing With Degenerative Knee Condition?
Roki Sasaki

to Stick in Rotation Despite Spring Struggles
Kevin McGonigle

Makes Tigers Opening Day Roster
Scottie Scheffler

Withdraws From Texas Children's Houston Open
James Reimer

Picks Up Victory Against Rangers
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Denzel Boston Visiting With 49ers on Tuesday
Matthew Stafford

a Great Option for Those in Win-Now Mode
Breece Hall

Dynasty Ceiling Capped in New York?
Jaylen Waddle

Restructures his Contract With Broncos
Ryan Pepiot

Placed on Injured List to Open the Season
Trevor Siemian

Signing With the Falcons
J.J. Wetherholt

JJ Wetherholt Likely to Hit Leadoff on Opening Day
Connelly Early

to Make First Start on Sunday
Tucker Kraft

a Post-Injury Buy-Low Candidate
Jakobi Meyers

Vying for Top Spot in Jacksonville Receiver Room
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Faces Obstacles in Second Season
Sam LaPorta

New Offensive Philosophy Could Help Sam LaPorta Get Back into Top Tier
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Unavailable Against Magic
Noah Gray

Remains Buried on Kansas City Depth Chart
Luke Clanton

Might Have a Problem in Houston
Sam Stevens

Happy to See Houston This Week
Keith Mitchell

Tries to Rebound After The Players Championship
Will Zalatoris

Returning This Week at Houston
Wyndham Clark

Trending in the Wrong Direction Heading to Houston
Shane Lowry

Seeking Better Luck in Houston This Weekend
Kurt Kitayama

Poised to Bounce Back at the Houston Open
Jake Knapp

More Suited for a Course Like the Houston Open
Tony Finau

Continues Playing Well Heading to Texas Children's Houston Open
Scottie Scheffler

Returns to Action for Texas Children's Houston Open
Sam Burns

Looks to Carry Momentum Into Houston
Pete Crow-Armstrong

Cubs, Pete Crow-Armstrong Finalizing Long-Term Extension
Shane Pinto

Opens Scoring Versus Rangers
Sahith Theegala

to Rebound at Texas Children's Houston Open
Stephan Jaeger

Hopes to Jumpstart Season at Texas Children's Houston Open
Adam Scott

Hopes to Get Back on Track in Houston
Blake Snell

Targeting a May Return
Hunter Greene

Reds Place Hunter Greene on 60-Day Injured List
Blake Whiteheart

Returns to the Browns
J.J. Wetherholt

JJ Wetherholt Makes Cardinals Opening Day Roster
NFL

Ty Simpson Expected to be a First-Round Pick
Nick Pivetta

to Start on Opening Day for Padres
Brandon Woodruff

Makes Brewers Opening Day Rotation
Zack Wheeler

to Start Rehab Assignment on Saturday
Carson Benge

Makes Mets Opening Day Roster
Seiya Suzuki

to Start the Season on the Injured List
Lerone Murphy

Suffers His First Loss
Dennis Santana

Won't be Pirates' Primary Closer
Movsar Evloev

Edges Out Lerone Murphy
CFB

Notre Dame Ranks No. 1 in Returning Production for 2026
Michael Aswell

Jr. Drops Decision At UFC London
Michael Aswell

Luke Riley Outclasses Michael Aswell Jr.
Sam Patterson

Suffers Unanimous-Decision Loss
Michael Page

Wins Lackluster Decision
Austen Lane

Suffers First-Round TKO Loss
Spencer Strider

to Start the Season on Injured List
Iwo Baraniewski

Delivers 28-Second TKO
Lawson Crouse

Picks Up Three Points in Overtime Win
Filip Forsberg

Takes Predators Past Blackhawks
Alex Ovechkin

Scores 1,000th Career Goal
Nate Schmidt

Exits Early Due to Illness
Matt Grzelcyk

to Miss Four-Game Road Trip
Mikko Rantanen

to Return to Full Practice
A.J. Greer

Handed a Three-Game Suspension
Troy Terry

Wins it for Anahiem
Tyler Reddick

Overcomes Adversity for Fourth Victory of the Season At Darlington
Brad Keselowski

Falls Short of Darlington Victory Despite Domination
Ryan Blaney

Recovers From Pit-Road Struggles to Score Career-Best Darlington Finish
Carson Hocevar

Rallies to Finish Fourth at Darlington
Kyle Larson

Decent Performance Ends with Technical Issues At Darlington
Ilya Sorokin

Earns Shutout Over Columbus
Ethen Frank

Sustains Lower-Body Injury Sunday
Grayson Rodriguez

to Open Season on Injured List
Brett Pesce

Questionable to Return This Season
Stefan Noesen

Done for the Season
Mike Trout

Returns on Sunday
Nick Lodolo

Exits Early With a Blister
Jeremy Peña

Astros Not Ruling Out Jeremy Pena for Opening Day
Tyler Reddick

the Clear Favorite at Darlington
Kyle Larson

a High-Risk, High-Reward Driver at Darlington
Ryan Blaney

Is Getting Better at Darlington
NASCAR

Bubba Wallace Not Slowing Down at Darlington
Chris Buescher

Should be a Top-10 Contender at Darlington
Austin Cindric

a Sleeper at Darlington
Erik Jones

Quickest in Practice at Darlington
Denny Hamlin

Qualifies Ninth for this Week's Cup Race at Darlington
Chase Briscoe

Is One of the Top DFS Options of the Week for Darlington
William Byron

Is William Byron A Playable DFS Option for Darlington Lineups?
Christopher Bell

Could Christopher Bell be Considered A Decent DFS Option for Darlington?
Chase Elliott

Is Chase Elliott Worth Rostering At Darlington This Week For DFS?
Joey Logano

May Not Have the Speed to Warrant A Darlington DFS Lineup Spot
Ross Chastain

Should DFS Players Trust Ross Chastain at Darlington?
Kyle Busch

Could Kyle Busch Be A Worthy DFS Option for Darlington?
Brad Keselowski

May be A Contriarian DFS Tournament Option At Darlington
Lerone Murphy

Set For UFC London Main Event
Movsar Evloev

Looks To Remain Unbeaten
Michael Aswell

Jr. An Underdog At UFC London
Luke Riley

Set For UFC London Co-Main Event
Sam Patterson

Looks To Extend His Win Streak
Michael Page

Set For Welterweight Bout
Austen Lane

In Dire Need Of Victory
Iwo Baraniewski

A Favorite At UFC London
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