Anthony Kay
- The White Sox’s roster as it stands bullpen · 88 IP · 0.5 WAR in the role
- Trade read Unlikely to be traded: Signed in Dec 2025 (2 yr, $12M (2026-27), 2028 mutual option): clubs rarely move a player they just committed to.
Pitching · 2026 percentiles
vs. MLB pitchers with 500+ pitches · 2,788 pitches
Arsenal & Pitch Lab
Movement normalized to arm side · Keystone Stuff by pitch
| Pitch | Use | Velo | IVB | HB | Stuff | Loc | Whiff | xRV/100 |
|---|---|---|---|---|---|---|---|---|
| Sweeper24% use | 24% | 82.7 | 0.1 | −13.1 | 108 | 93 | 33% | −0.34 |
| Four-seam22% use | 22% | 95.9 | 14.9 | +7.2 | 95 | 104 | 19% | −1.07 |
| Sinker18% use | 18% | 95.3 | 5.1 | +16.0 | 99 | 96 | 17% | −0.09 |
| Cutter16% use | 16% | 91.7 | 6.7 | −1.2 | 95 | 87 | 18% | −1.56 |
| Changeup14% use | 14% | 86.1 | 0.1 | +14.1 | 106 | 100 | 33% | +0.27 |
| Slider6% use | 6% | 86.3 | −4.0 | −4.0 | 113 | 93 | 26% | −1.70 |
Cutter grades 95 with below-average expected results; his slider grades 113. The best case is against righties: the slider is worth +0.6 runs per 100 pitches more, 0.7 standard errors (126 and 382 pitches), short of the 2 needed. No mix change until it clears.
Four-seam grades 95 with below-average expected results; his slider grades 113. The best case is against righties: the slider is worth +0.9 runs per 100 pitches more, 1.1 standard errors (126 and 483 pitches), short of the 2 needed. No mix change until it clears.
Most similar pitchers
Pitches like Kay: same hand, shape, slot and mix
| Similarity | Player | Stuff | ’26 WAR | ’27 proj | 2027 |
|---|---|---|---|---|---|
| 68 | Ryan Weathers NYY · ’99 | 107 | 2.5 | 2.0 | Arb |
| 54 | Parker Messick CLE · ’00 | 96 | 4.9 | 3.9 | Pre-arb |
| 51 | Jesús Luzardo PHI · ’97 | 109 | 5.5 | 4.5 | Signed $27.0M |
| 46 | Connelly Early WSH · ’02 | 104 | 0.8 | 1.5 | Pre-arb |
| 46 | Trevor Rogers BAL · ’97 | 106 | 4.0 | 3.3 | Free agent |
Same-handed pitchers nearest on fastball velocity and shape, arm angle, extension, pitch mix, secondary shapes, Stuff, whiff rate and workload. 2026 regulars only.
Pitch locations · 2026
Where each pitch finishes, by batter side
Where each pitch finishes, catcher’s view. The bar marks the batter’s side; the box is an average strike zone. Pitches with 40+ thrown to this side.
Contract & projection
Club control (RosterResource) · Keystone projected WAR