MIN · P
Zebby Matthews
Age 26 B/T R/R 6′5″, 225 lb USA MLB debut 2024
- Minnesota’s roster as it stands bullpen · 86 IP · 0.7 WAR in the role
Keystone Stuff 92 16th pct
2026 fWAR 0.7
Projected 2027 WAR 1.1 at 143 IP · 0.7 in his 2027 role
Pitching · 2026 percentiles
vs. MLB pitchers with 500+ pitches · 2,117 pitches
130.1 IP4.90 ERA4.70 FIP 37° arm
Arsenal & Pitch Lab
Movement normalized to arm side · Keystone Stuff by pitch
| Pitch | Use | Velo | IVB | HB | Stuff | Loc | Whiff | xRV/100 |
|---|---|---|---|---|---|---|---|---|
| Four-seam36% use | 36% | 95.2 | 16.1 | +8.8 | 95 | 107 | 15% | −0.43 |
| Slider23% use | 23% | 87.3 | 3.0 | −3.5 | 99 | 111 | 34% | +1.45 |
| Changeup13% use | 13% | 86.7 | 4.4 | +14.6 | 89 | 102 | 20% | −1.68 |
| Cutter12% use | 12% | 90.9 | 9.7 | −0.3 | 91 | 104 | 15% | −1.58 |
| Curveball11% use | 11% | 79.8 | −8.9 | −8.5 | 88 | 88 | 34% | +0.95 |
| Sinker5% use | 5% | 95.2 | 11.2 | +15.5 | 96 | 92 | 21% | −2.34 |
No mix change or new pitch clears its bar. The arsenal is efficient for its shapes.
Most similar pitchers
Pitches like Matthews: same hand, shape, slot and mix
| Similarity | Player | Stuff | ’26 WAR | ’27 proj | 2027 |
|---|---|---|---|---|---|
| 75 | Max Scherzer TOR · ’84 | 97 | 0.3 | 0.1 | Free agent |
| 69 | Mike Burrows HOU · ’99 | 90 | −0.4 | 0.5 | Pre-arb |
| 68 | Keider Montero DET · ’00 | 92 | 2.5 | 1.7 | Pre-arb |
| 66 | Stephen Kolek KC · ’97 | 90 | 0.5 | 1.0 | Pre-arb |
| 63 | Peter Lambert HOU · ’97 | 90 | 2.4 | 1.6 | Arb |
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
2027 1.1 WAR —
2028 1.1 WAR —
2029 1.1 WAR —
2030 1.0 WAR —
Minor leagues
MLB Stats API · public box-score data
| SeasonLevel | Level | Team | Age | G | PA / IP | PA / IP ·Line |
|---|---|---|---|---|---|---|
| 2026AAA | AAA | St. Paul Saints | 26 | 7 | 34.1 IP | 34.1 IP · 4.72 ERA · 21.9% K · 7.3% BB |
| 2025AAA | AAA | St. Paul Saints | 25 | 8 | 36.2 IP | 36.2 IP · 1.72 ERA · 31.8% K · 6.1% BB |