Pitcher · Athletics
Jack Perkins
RHP · Throws Right · Age 26Swingman
Model projection · strikeout prop
54.8%
54.8% against a 57.7% break-even. Over 5.5 Ks, tonight vs. DET. Confidence medium.
Drafted by the Oakland Athletics in 2022 (round 5). He made his MLB debut on June 22, 2025.Facts: MLB StatsAPI (people · transactions)
Tonight's Matchup
vs. Tigers · pregame
Projected xwOBA vs. Tigers current regulars (top 9 by at-bats) — season profile, not tonight's posted lineup · lineup avg .320
-
1
KM
Kevin McGonigle
LHB
.321
Pitch-by-pitch projection vs. Kevin McGonigle
- Four-Seam Fastball (39% usage) projects to .362 xwOBA over 122 BIP — a meaningful edge for the batter.
- Sweeper (31% usage) projects to .270 xwOBA over 21 BIP — a clear edge for the pitcher.
- Changeup (14% usage) projects to .310 xwOBA over 51 BIP — a roughly even matchup.
- Cutter (11% usage) projects to .336 xwOBA over 35 BIP — a roughly even matchup.
-
2
RG
Riley Greene
LHB
.338
Pitch-by-pitch projection vs. Riley Greene
- Four-Seam Fastball (39% usage) projects to .350 xwOBA over 507 BIP — a meaningful edge for the batter.
- Sweeper (31% usage) projects to .324 xwOBA over 91 BIP — a roughly even matchup.
- Changeup (14% usage) projects to .282 xwOBA over 251 BIP — a roughly even matchup.
- Cutter (11% usage) projects to .407 xwOBA over 119 BIP — a meaningful edge for the batter.
-
3
DD
Dillon Dingler
RHB
.334
Pitch-by-pitch projection vs. Dillon Dingler
- Four-Seam Fastball (39% usage) projects to .358 xwOBA over 256 BIP — a meaningful edge for the batter.
- Sweeper (31% usage) projects to .315 xwOBA over 96 BIP — a roughly even matchup.
- Changeup (14% usage) projects to .325 xwOBA over 80 BIP — a roughly even matchup.
- Cutter (11% usage) projects to .313 xwOBA over 66 BIP — a roughly even matchup.
-
4
ST
Spencer Torkelson
RHB
.315
Pitch-by-pitch projection vs. Spencer Torkelson
- Four-Seam Fastball (39% usage) projects to .364 xwOBA over 385 BIP — a meaningful edge for the batter.
- Sweeper (31% usage) projects to .259 xwOBA over 142 BIP — a clear edge for the pitcher.
- Changeup (14% usage) projects to .336 xwOBA over 133 BIP — a roughly even matchup.
- Cutter (11% usage) projects to .276 xwOBA over 108 BIP — a clear edge for the pitcher.
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5
CK
Colt Keith
LHB
.333
Pitch-by-pitch projection vs. Colt Keith
- Four-Seam Fastball (39% usage) projects to .348 xwOBA over 383 BIP — a meaningful edge for the batter.
- Sweeper (31% usage) projects to .356 xwOBA over 65 BIP — a meaningful edge for the batter.
- Changeup (14% usage) projects to .249 xwOBA over 212 BIP — a clear edge for the pitcher.
- Cutter (11% usage) projects to .329 xwOBA over 128 BIP — a roughly even matchup.
-
6
MV
Matt Vierling
RHB
.303
Pitch-by-pitch projection vs. Matt Vierling
- Four-Seam Fastball (39% usage) projects to .323 xwOBA over 268 BIP — a roughly even matchup.
- Sweeper (31% usage) projects to .278 xwOBA over 83 BIP — a clear edge for the pitcher.
- Changeup (14% usage) projects to .290 xwOBA over 86 BIP — a roughly even matchup.
- Cutter (11% usage) projects to .321 xwOBA over 69 BIP — a roughly even matchup.
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7
ZM
Zach McKinstry
LHB
.301
Pitch-by-pitch projection vs. Zach McKinstry
- Four-Seam Fastball (39% usage) projects to .287 xwOBA over 385 BIP — a roughly even matchup.
- Sweeper (31% usage) projects to .320 xwOBA over 57 BIP — a roughly even matchup.
- Changeup (14% usage) projects to .297 xwOBA over 118 BIP — a roughly even matchup.
- Cutter (11% usage) projects to .299 xwOBA over 78 BIP — a roughly even matchup.
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8
KC
Kerry Carpenter
LHB
.332
Pitch-by-pitch projection vs. Kerry Carpenter
- Four-Seam Fastball (39% usage) projects to .346 xwOBA over 273 BIP — a meaningful edge for the batter.
- Sweeper (31% usage) projects to .324 xwOBA over 62 BIP — a roughly even matchup.
- Changeup (14% usage) projects to .297 xwOBA over 162 BIP — a roughly even matchup.
- Cutter (11% usage) projects to .355 xwOBA over 94 BIP — a meaningful edge for the batter.
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9
HL
Hao-Yu Lee
RHB
.307
Pitch-by-pitch projection vs. Hao-Yu Lee
- Four-Seam Fastball (39% usage) projects to .304 xwOBA over 49 BIP — a roughly even matchup.
- Sweeper (31% usage) projects to .310 xwOBA over 21 BIP — a roughly even matchup.
- Changeup (14% usage) projects to .312 xwOBA over 12 BIP — a roughly even matchup.
- Cutter (11% usage) projects to .298 xwOBA over 15 BIP — a roughly even matchup.
Four-Seam Fastball
FF · lead pitch
39% of pitches · .382 xwOBA allowed · 153 BIP · where it goes, what it costs
Pitcher Locations
where he throws it · catcher’s view
xwOBA Allowed
damage done by zone · all batters
Expected Damage
locations × damage zones
Four-Seam Fastball (39% usage) has allowed .382 xwOBA over 153 balls in play — his most-used pitch.
Arsenal
usage × whiff, ranked
7 pitch types · 1,673-pitch sample · 2026/2025 blend, weighted 4/3/1
Four-Seam Fastball FF
39% usage · 18% whiff · .382 xwOBA · 96.1 mph
Sweeper ST
31% usage · 36% whiff · .235 xwOBA · 86.2 mph
Changeup CH
14% usage · 46% whiff · .177 xwOBA · 89.7 mph
Cutter FC
11% usage · 19% whiff · .361 xwOBA · 92.5 mph
Unknown UN
2% usage · .351 xwOBA
Sinker SI
2% usage · .559 xwOBA
Slider SL
1% usage · .075 xwOBA
Whiff% Trend
last 8 outings · by pitch · min 5 swings per point
Four-Seam FastballSweeperChangeup
Hand Splits
K% + xwOBA allowed by batter side · 2026/2025 blend, weighted 4/3/1
| Split | K% | xwOBA | Sample |
|---|
| vs. LHB | 29.7 |
.299 |
208 |
| vs. RHB | 22.2 |
.305 |
194 |
Live · client-hydrated
Market lines
current pick’em lines by book · updates through the day
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Live · client-hydrated
DFS picks
today’s picks for this pitcher, probability-sorted · graded nightly
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