George Kirby | Seattle Mariners
MLB Player
George Kirby
Seattle MarinersHeight6' 4"Weight215 lbsAge28Experience5th Season
9-11W-LTied-54th
4.33ERA38th
148KTied-46th
1.40WHIP43rd
Player Information
PositionStarting Pitcher
Jersey#68
Date of Birth4/2/1998
BirthplaceRye, NY
Experience5th Season
Draft2019: Rd 1, Pk 20 (SEA)
Bats / ThrowsRight/Right
MLB Debut2022
StatusActive
Next Game
More Seattle Mariners Players
Season, Postseason & Career
| Split | GP | GS | CG | SHO | IP | H | R | ER | HR | BB | K |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Regular Season | 30 | 30 | 1 | 0 | 174.2 | 197 | 89 | 84 | 22 | 47 | 148 |
| Career | 142 | 142 | 2 | 0 | 812.1 | 813 | 359 | 338 | 94 | 140 | 769 |
Pitching by Season
| Season | GP | GS | W | L | W% | WAR | ERA | WHIP | IP | K | BB | K/BB | H | R | ER | SV | HLD | BLSV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | 25 | 25 | 8 | 5 | .615 | 1.4 | 3.39 | 1.21 | 130.0 | 133 | 22 | 6.0 | 135 | 54 | 49 | 0 | 0 | 0 |
| 2023 | 31 | 31 | 13 | 10 | .565 | 3.9 | 3.35 | 1.04 | 190.2 | 172 | 19 | 9.1 | 179 | 74 | 71 | 0 | 0 | 0 |
| 2024 | 33 | 33 | 14 | 11 | .560 | 1.9 | 3.53 | 1.07 | 191.0 | 179 | 23 | 7.8 | 181 | 82 | 75 | 0 | 0 | 0 |
| 2025 | 23 | 23 | 10 | 8 | .556 | 0.8 | 4.21 | 1.19 | 126.0 | 137 | 29 | 4.7 | 121 | 60 | 59 | 0 | 0 | 0 |
| 2026 | 30 | 30 | 9 | 11 | .450 | 1.4 | 4.33 | 1.40 | 174.2 | 148 | 47 | 3.1 | 197 | 89 | 84 | 0 | 0 | 0 |
| Career | 142 | 142 | 54 | 45 | .545 | -- | 3.74 | 1.17 | 812.1 | 769 | 140 | 5.5 | 813 | 359 | 338 | 0 | 0 | 0 |
Postseason Pitching by Season
| Season | GP | GS | W | L | W% | WAR | ERA | WHIP | IP | K | BB | K/BB | H | R | ER | SV | HLD | BLSV |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | 2 | 1 | 0 | 0 | .000 | 0.0 | 0.00 | 0.88 | 8.0 | 6 | 1 | 6.0 | 6 | 0 | 0 | 1 | 0 | 0 |
| 2025 | 4 | 4 | 0 | 1 | .000 | 0.0 | 6.00 | 1.39 | 18.0 | 21 | 4 | 5.3 | 21 | 12 | 12 | 0 | 0 | 0 |
| Career | 6 | 5 | 0 | 1 | .000 | 0.0 | 4.15 | 1.23 | 26.0 | 27 | 5 | 5.4 | 27 | 12 | 12 | 1 | 0 | 0 |
Opponent Batting by Season
| Season | P | TBF | P-TBF | OBA | OOBP | OSLUG | OOPS | 2B | 3B | HR | TB | RBI | BH | SH | SF | IBB |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | 2092 | 542 | 3.860 | .264 | .299 | .393 | .693 | 23 | 2 | 13 | 201 | 50 | 5 | 1 | 3 | 0 |
| 2023 | 2825 | 757 | 3.732 | .246 | .270 | .395 | .665 | 28 | 7 | 22 | 287 | 72 | 6 | 2 | 3 | 1 |
| 2024 | 2967 | 778 | 3.814 | .245 | .272 | .393 | .666 | 38 | 3 | 22 | 291 | 75 | 7 | 2 | 5 | 0 |
| 2025 | 2086 | 524 | 3.981 | .252 | .300 | .392 | .691 | 20 | 1 | 15 | 188 | 60 | 7 | 0 | 8 | 0 |
| 2026 | 2758 | 741 | 3.722 | .287 | .334 | .448 | .782 | 39 | 3 | 22 | 308 | 83 | 3 | 1 | 3 | 1 |
| Career | 12728 | 3342 | 3.808 | .259 | .294 | .405 | .700 | 148 | 16 | 94 | 1275 | 340 | 28 | 6 | 22 | 2 |
Expanded Pitching by Season
| Season | P/S | P/I | K/9 | QS | CG | SHO | GSC | GB | FB | G/F | IR | IRS | WP | BK | SB | CS | RSUP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2022 | 83.7 | 16.1 | 9.2 | 11 | 0 | 0 | 53.5 | 177 | 205 | 0.9 | 0 | 0 | 4 | 0 | 10 | 5 | 120.0 |
| 2023 | 91.1 | 14.8 | 8.1 | 20 | 1 | 0 | 56.6 | 250 | 310 | 0.8 | 0 | 0 | 1 | 0 | 17 | 4 | 136.0 |
| 2024 | 89.9 | 15.5 | 8.4 | 20 | 0 | 0 | 55.1 | 243 | 325 | 0.7 | 0 | 0 | 5 | 1 | 24 | 6 | 145.0 |
| 2025 | 90.7 | 16.6 | 9.8 | 12 | 0 | 0 | 53.3 | 156 | 195 | 0.8 | 0 | 0 | 3 | 0 | 9 | 3 | 99.0 |
| 2026 | 91.9 | 15.8 | 7.6 | 15 | 1 | 0 | 49.5 | 240 | 303 | 0.8 | 0 | 0 | 1 | 1 | 23 | 7 | 124.0 |
| Career | 89.6 | 15.7 | 8.5 | 78 | 2 | 0 | 0.0 | 1066 | 1338 | 0.8 | 0 | 0 | 14 | 2 | 83 | 25 | 624.0 |
Game Log
| Game | Result | IP | H | R | ER | HR | BB | K | GB | FB | P | TBF | GSC | Dec | Rel | ERA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
 vs HOU2026 Regular Season | W 6-5 F/10 | 5.0 | 6 | 4 | 4 | 1 | 3 | 5 | 4 | 11 | 96 | 23 | 41.0 | - | - | 4.33 |
 @ LAA2026 Regular Season | W 7-2 | 4.1 | 5 | 2 | 2 | 0 | 5 | 5 | 6 | 7 | 93 | 23 | 45.0 | - | - | 4.24 |
 @ ATH2026 Regular Season | L 6-5 F/10 | 6.0 | 9 | 4 | 4 | 1 | 2 | 5 | 10 | 11 | 101 | 28 | 41.0 | - | - | 4.25 |
| vs ATH2026 Regular Season | L 6-2 | 6.2 | 7 | 4 | 3 | 1 | 1 | 5 | 11 | 10 | 100 | 27 | 50.0 | L(9-11) | - | 4.18 |
 @ BOS2026 Regular Season | L 9-8 F/10 | 5.0 | 7 | 5 | 5 | 2 | 2 | 2 | 7 | 12 | 86 | 23 | 33.0 | - | - | 4.19 |
 vs PHI2026 Regular Season | W 4-1 | 7.2 | 6 | 1 | 1 | 0 | 1 | 9 | 8 | 12 | 92 | 30 | 71.0 | W(9-10) | - | 4.02 |
 @ MIL2026 Regular Season | L 7-4 | 3.1 | 9 | 6 | 6 | 0 | 2 | 3 | 6 | 9 | 84 | 20 | 19.0 | L(8-10) | - | 4.18 |
| @ HOU2026 Regular Season | L 10-7 F/10 | 4.2 | 8 | 5 | 5 | 1 | 3 | 2 | 6 | 13 | 99 | 24 | 27.0 | - | - | 3.89 |
 vs TB2026 Regular Season | L 3-2 | 5.0 | 4 | 1 | 1 | 1 | 2 | 2 | 6 | 10 | 99 | 20 | 55.0 | - | - | 3.68 |
 vs MIN2026 Regular Season | W 7-6 | 7.0 | 5 | 0 | 0 | 0 | 1 | 3 | 8 | 14 | 94 | 26 | 69.0 | - | - | 3.76 |
 @ TEX2026 Regular Season | L 7-3 | 4.0 | 7 | 7 | 7 | 4 | 0 | 3 | 3 | 13 | 66 | 20 | 23.0 | L(8-9) | - | 3.98 |
 vs CIN2026 Regular Season | W 8-0 | 6.0 | 3 | 0 | 0 | 0 | 1 | 6 | 4 | 10 | 80 | 21 | 71.0 | W(8-8) | - | 3.57 |
 @ MIA2026 Regular SeasonWeek 27 | L 2-0 | 6.0 | 8 | 2 | 2 | 1 | 0 | 7 | 4 | 13 | 86 | 24 | 55.0 | L(7-8) | - | 3.76 |
| vs LAA2026 Regular SeasonWeek 26 | W 6-2 | 8.0 | 7 | 2 | 2 | 1 | 1 | 7 | 12 | 10 | 100 | 30 | 66.0 | W(7-7) | - | 3.81 |
 @ PIT2026 Regular SeasonWeek 25 | W 3-2 | 6.0 | 9 | 2 | 1 | 0 | 2 | 5 | 7 | 13 | 91 | 27 | 51.0 | W(6-7) | - | 3.94 |
 vs BAL2026 Regular SeasonWeek 24 | L 5-3 | 6.0 | 8 | 3 | 3 | 1 | 0 | 5 | 7 | 13 | 92 | 25 | 49.0 | L(5-7) | - | 4.10 |
| @ BAL2026 Regular SeasonWeek 23 | L 7-2 | 6.0 | 7 | 3 | 3 | 1 | 3 | 10 | 4 | 10 | 104 | 27 | 53.0 | L(5-6) | - | 4.07 |
 vs NYM2026 Regular SeasonWeek 22 | L 7-1 | 4.0 | 9 | 5 | 4 | 0 | 1 | 5 | 11 | 6 | 89 | 23 | 30.0 | L(5-5) | - | 4.04 |
 vs ARI2026 Regular SeasonWeek 22 | W 7-6 F/10 | 5.1 | 6 | 4 | 4 | 1 | 1 | 4 | 4 | 13 | 87 | 22 | 43.0 | - | - | 3.77 |
 @ KC2026 Regular SeasonWeek 21 | L 5-0 | 6.0 | 9 | 5 | 3 | 0 | 0 | 3 | 12 | 12 | 92 | 27 | 41.0 | L(5-4) | - | 3.54 |
 vs SD2026 Regular SeasonWeek 20 | L 8-3 | 5.2 | 6 | 6 | 6 | 2 | 2 | 6 | 6 | 10 | 98 | 24 | 37.0 | L(5-3) | - | 3.45 |
| @ HOU2026 Regular SeasonWeek 19 | W 3-1 | 5.0 | 7 | 1 | 1 | 0 | 2 | 7 | 7 | 7 | 99 | 23 | 54.0 | W(5-2) | - | 2.84 |
 vs ATL2026 Regular SeasonWeek 18 | L 3-2 | 7.0 | 5 | 2 | 2 | 0 | 1 | 5 | 13 | 7 | 88 | 26 | 63.0 | - | - | 2.94 |
| @ MIN2026 Regular SeasonWeek 17 | W 5-3 | 5.2 | 8 | 2 | 2 | 0 | 2 | 5 | 8 | 10 | 97 | 25 | 48.0 | - | - | 3.00 |
 @ STL2026 Regular SeasonWeek 17 | W 3-2 | 6.0 | 5 | 2 | 2 | 0 | 1 | 2 | 10 | 10 | 81 | 24 | 55.0 | W(4-2) | - | 2.97 |
| vs TEX2026 Regular SeasonWeek 16 | W 7-3 | 5.2 | 7 | 1 | 1 | 1 | 2 | 5 | 12 | 7 | 96 | 26 | 54.0 | W(3-2) | - | 2.97 |
| vs HOU2026 Regular SeasonWeek 15 | W 6-2 | 7.2 | 7 | 2 | 2 | 0 | 1 | 6 | 13 | 9 | 99 | 29 | 62.0 | W(2-2) | - | 3.25 |
| @ TEX2026 Regular SeasonWeek 14 | L 3-2 | 8.0 | 6 | 3 | 3 | 1 | 0 | 4 | 16 | 8 | 90 | 28 | 62.0 | L(1-2) | - | 3.60 |
 vs NYY2026 Regular SeasonWeek 13 | L 5-3 | 6.0 | 5 | 4 | 4 | 1 | 3 | 6 | 7 | 8 | 89 | 24 | 49.0 | L(1-1) | - | 3.75 |
 vs CLE2026 Regular SeasonWeek 13 | W 5-1 | 6.0 | 2 | 1 | 1 | 1 | 2 | 6 | 8 | 5 | 90 | 22 | 68.0 | W(1-0) | - | 1.50 |