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MLB Pitcher Strikeout Props — Sunday, September 21, 2025

Top projected strikeout arms on Sunday, September 21, 2025: Spencer Strider (8.7 K), Sean Manaea (6.6 K), Sean Burke (6.4 K). Projected strikeouts for every probable starter, adjusted for opponent K-rate and ballpark. 15 games on the slate.

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Projected starters

Braves @ TigersComerica Park · 1:10 PM ET
RHP · 13 K/9 · 135 Stuff+
8.7
proj K vs Tigers
Neutral matchup
@
RHP · 8.5 K/9 · 104 Stuff+
5.3
proj K vs Braves
Neutral matchup
Athletics @ PiratesPNC Park · 1:35 PM ET
RHP · 8 K/9 · 101 Stuff+
4.5
proj K vs Pirates
Neutral matchup
@
Mike Burrows
Outside tracked rotation — no verified projection
proj K
Yankees @ OriolesOriole Park at Camden Yards · 1:35 PM ET
Cam Schlittler
Outside tracked rotation — no verified projection
proj K
@
RHP · 8.3 K/9 · 108 Stuff+
4.7
proj K vs Yankees
Tough K matchup
Cubs @ RedsGreat American Ball Park · 1:40 PM ET
RHP · 8 K/9 · 103 Stuff+
5.4
proj K vs Reds
Neutral matchup
@
LHP · 7.1 K/9 · 95 Stuff+
3.9
proj K vs Cubs
Tough K matchup
Nationals @ MetsCiti Field · 1:40 PM ET
RHP · 7.8 K/9 · 97 Stuff+
4.7
proj K vs Mets
Neutral matchup
@
LHP · 9.5 K/9 · 108 Stuff+
6.6
proj K vs Nationals
Favorable K matchup
Jays @ RoyalsKauffman Stadium · 2:10 PM ET
Trey Yesavage
Outside tracked rotation — no verified projection
proj K
@
Michael Wacha
Outside tracked rotation — no verified projection
proj K
Guardians @ TwinsTarget Field · 2:10 PM ET
Joey Cantillo
Outside tracked rotation — no verified projection
proj K
@
RHP · 9.2 K/9 · 106 Stuff+
5.2
proj K vs Guardians
Tough K matchup
Padres @ SoxRate Field · 2:10 PM ET
RHP · 7.7 K/9 · 112 Stuff+
5.1
proj K vs Sox
Neutral matchup
@
RHP · 9.8 K/9 · 98 Stuff+
6.4
proj K vs Padres
Tough K matchup
Brewers @ CardinalsBusch Stadium · 2:15 PM ET
Robert Gasser
Outside tracked rotation — no verified projection
proj K
@
LHP · 8.5 K/9 · 101 Stuff+
4.9
proj K vs Brewers
Tough K matchup
Marlins @ RangersGlobe Life Field · 2:35 PM ET
RHP · 10.5 K/9 · 112 Stuff+
5.7
proj K vs Rangers
Neutral matchup
@
RHP · 6 K/9 · 104 Stuff+
3.6
proj K vs Marlins
Tough K matchup
Angels @ RockiesCoors Field · 3:10 PM ET
Caden Dana
Outside tracked rotation — no verified projection
proj K
@
LHP · 7.5 K/9 · 94 Stuff+
4.8
proj K vs Angels
Favorable K matchup
Giants @ DodgersDodger Stadium · 4:10 PM ET
Trevor McDonald
Outside tracked rotation — no verified projection
proj K
@
Emmet Sheehan
Outside tracked rotation — no verified projection
proj K
Phillies @ DiamondbacksChase Field · 4:10 PM ET
LHP · 8.8 K/9 · 108 Stuff+
4.9
proj K vs Diamondbacks
Tough K matchup
@
LHP · 6.7 K/9 · 102 Stuff+
4.3
proj K vs Phillies
Neutral matchup
Mariners @ AstrosDaikin Park · 7:10 PM ET
RHP · 9.6 K/9 · 115 Stuff+
6.1
proj K vs Astros
Neutral matchup
@
Jason Alexander
Outside tracked rotation — no verified projection
proj K
Sox @ RaysGeorge M. Steinbrenner Field · 7:35 PM ET
LHP · 8.6 K/9 · 102 Stuff+
4.4
proj K vs Rays
Tough K matchup
@
Joe Boyle
Outside tracked rotation — no verified projection
proj K

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Proj K reflects each pitcher's baseline rate adjusted for the opposing lineup's strikeout rate vs. that hand (L3) and the ballpark's strikeout environment (L4). Game-day weather (L2) is applied in the live engine. For entertainment purposes only.

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