MLB Pitcher Strikeout Props — Tuesday, April 21, 2026
Top projected strikeout arms today: Sean Burke (7.4 K), Luis Castillo (7.1 K), Kyle Harrison (6.8 K). Projected strikeouts for every probable starter, adjusted for opponent K-rate and ballpark. 15 games on the slate.
Astros @ GuardiansProgressive Field · 6:10 PM ET
Ryan Weiss
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proj K
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Parker Messick
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proj K
Reds @ RaysTropicana Field · 6:40 PM ET
Chase Burns
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proj K
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Steven Matz
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proj K
Cardinals @ MarlinsloanDepot park · 6:40 PM ET
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Brewers @ TigersComerica Park · 6:40 PM ET
Braves @ NationalsNationals Park · 6:45 PM ET
Yankees @ SoxFenway Park · 6:45 PM ET
Twins @ MetsCiti Field · 7:10 PM ET
Orioles @ RoyalsKauffman Stadium · 7:40 PM ET
Phillies @ CubsWrigley Field · 7:40 PM ET
Pirates @ RangersGlobe Life Field · 8:05 PM ET
Padres @ RockiesCoors Field · 8:40 PM ET
Jays @ AngelsAngel Stadium · 9:38 PM ET
Patrick Corbin
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proj K
@
Jack Kochanowicz
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proj K
Athletics @ MarinersT-Mobile Park · 9:40 PM ET
Sox @ DiamondbacksChase Field · 9:40 PM ET
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Dodgers @ GiantsOracle Park · 9:45 PM ET
Want weather + park-adjusted lines?
The live engine layers game-day weather, air density, and Bayesian modeling on top of these baselines.
Open PitchProphet Engine →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.