Kansas City Royals· #54· Pitcher
Mitch Spence
Bats R · Throws R·Age 28 (May 6, 1998)·6' 1", 185 lb·Kirkland, WA, USA
2026 Pitching
ERA
21.21
WHIP
3.00
IP
9.1
K%
10.7
BB%
16.1
K/9
5.79
W-L
0-2
GS
1
SV
0
HLD
0
DiamondIQ WAR
9.3 IP · 2026
-0.5
-4.5 runs above replacement
FIP · 8.88 (park 1.01)0.0
vs replacement · RP, 9.3 IP-4.5
FIP-based runs above replacement, park-adjusted, scaled by innings over runs-per-win. Reliever leverage is simplified (v1). Full methodology.
Pitch Arsenal · Statcast
Cutter38% · 91.9 · 17% whiff
Slider20% · 84.5 · 31% whiff
Sinker17% · 92.5 · 0% whiff
Curveball17% · 81.6 · 44% whiff
Changeup9% · 88.0 · 0% whiff
Career Pitching
| Yr | Tm | W | L | ERA | G | GS | SV | IP | SO | BB | WHIP | K/9 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | Kansas City Royals | 0 | 2 | 21.21 | 3 | 1 | 0 | 9.1 | 6 | 9 | 3.00 | 5.79 |
| 2025 | Athletics | 3 | 6 | 5.10 | 32 | 8 | 1 | 84.2 | 66 | 26 | 1.44 | 7.02 |
| 2024 | Oakland Athletics | 8 | 10 | 4.58 | 35 | 24 | 0 | 151.1 | 126 | 44 | 1.38 | 7.49 |