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George Kirby
For pitchers we lead with FIP (Fielding Independent Pitching — what ERA should be if defense were league average; a 4.00 FIP is roughly average), K% and BB% (strikeout and walk rate per batter faced, the most predictive rate stats for future ERA), and BABIP against (around .300 is neutral; lower often means good defense or weak contact, higher can signal bad luck or hard contact allowed). ERA, WHIP, and raw IP are still here — but FIP tends to be the better predictor of next-season performance.
The radar chart below normalizes each metric so that 100 equals league average; anything above the dotted ring means the player is beating the league, and bigger polygons mean broader excellence. For a full glossary with formulas and worked examples, visit the Learn section. If you want to compare this player head-to-head with another, jump to the Matchup tool.
FIP
3.55
BABIP
0.297
K%
20.7
BB%
6.4
FIP: Fielding Independent Pitching — evaluates only pitcher-controlled outcomes
K%: Strikeout rate against opposing batters
BB%: Walk rate against opposing batters
| Season | G | W | L | ERA | IP | SO | BB | WHIP | HR |
|---|---|---|---|---|---|---|---|---|---|
| 2022 | 25 | 8 | 5 | 3.39 | 130.0 | 133 | 22 | 1.21 | 13 |
| 2023 | 31 | 13 | 10 | 3.35 | 190.2 | 172 |
G
10
GS
10
W
5
L
3
ERA
3.45
IP
62.2
SO
52
BB
16
Hits
58
HR
6
WHIP
1.18
SV
0
| Date | Opp | IP | H | R | ER | BB | K | HR | ERA |
|---|---|---|---|---|---|---|---|---|---|
| - | Seattle Mariners | 6.0 | 2 | 1 | 1 | 2 | 6 | 1 | 1.50 |
| - | Seattle Mariners | 6.0 | 5 | 4 | 4 | 3 | 6 | 1 | 3.75 |
| - | Seattle Mariners | 8.0 | 6 | 3 | 3 | 0 | 4 | 1 | 3.60 |
| 19 |
| 1.04 |
| 22 |
| 2024 | 33 | 14 | 11 | 3.53 | 191.0 | 179 | 23 | 1.07 | 22 |
| 2025 | 23 | 10 | 8 | 4.21 | 126.0 | 137 | 29 | 1.19 | 15 |
| 2026 | 10 | 5 | 3 | 3.45 | 62.2 | 52 | 16 | 1.18 | 6 |
| - | Seattle Mariners | 7.2 | 7 | 2 | 2 | 1 | 6 | 0 | 3.25 |
| - | Seattle Mariners | 5.2 | 7 | 1 | 1 | 2 | 5 | 1 | 2.97 |