2023 Seattle Mariners Starters
(30-30) 
Starters
Starter Date Vs. IP BF W/L ER R H K BB HR Pit Str Ball Str%
Logan Gilbert Jun 6 SDP 7.0 26 W 1 1 3 6 2 0 97 61 36 .63
Bryce Miller Jun 4 TEX 2.1 17 L 7 7 8 2 2 1 61 38 23 .62
Bryan Woo Jun 3 TEX 2.0 14 L 6 6 7 4 1 0 47 33 14 .70
Luis Castillo Jun 2 TEX 7.0 26 L 1 1 5 6 1 0 99 62 37 .63
George Kirby May 31 @NYY 8.0 26 0 0 3 7 0 0 95 67 28 .71
Logan Gilbert May 30 @NYY 4.0 21 L 5 7 7 4 1 2 90 61 29 .68
Bryce Miller May 29 @NYY 4.2 25 L 8 8 11 3 0 2 86 58 28 .67
Marco Gonzales May 28 @PIT 5.2 23 1 1 3 4 3 0 90 57 33 .63
Luis Castillo May 27 @PIT 6.0 22 W 0 0 1 10 2 0 99 64 35 .65
George Kirby May 26 @PIT 4.2 24 L 7 7 9 4 1 4 92 61 31 .66
Logan Gilbert May 25 @OAK 8.0 27 W 2 2 3 6 0 1 77 59 18 .77
Bryce Miller May 24 @OAK 6.0 22 W 0 0 2 6 1 0 90 61 29 .68
Marco Gonzales May 23 @OAK 6.0 22 W 2 2 5 4 1 0 88 56 32 .64
Luis Castillo May 22 @OAK 6.0 24 W 0 0 4 8 2 0 101 67 34 .66
George Kirby May 21 ATL 7.0 28 L 3 3 6 6 1 1 88 67 21 .76
Logan Gilbert May 20 ATL 6.0 23 W 2 2 4 9 1 1 87 65 22 .75
Bryce Miller May 19 ATL 6.1 24 L 3 3 4 4 1 0 102 67 35 .66
Marco Gonzales May 17 BOS 1.2 15 L 8 8 8 1 2 1 66 41 25 .62
Luis Castillo May 16 BOS 5.0 24 L 5 7 6 6 2 3 91 59 32 .65
George Kirby May 15 BOS 6.2 27 W 1 1 8 6 1 0 97 66 31 .68
Logan Gilbert May 14 DET 5.2 24 3 3 6 4 1 0 94 65 29 .69
Bryce Miller May 13 DET 7.0 24 W 0 0 3 3 0 0 82 57 25 .70
Marco Gonzales May 12 DET 6.0 24 W 2 2 5 2 1 1 89 60 29 .67
Luis Castillo May 10 @TEX 5.0 24 L 3 3 8 9 0 1 98 68 30 .69
George Kirby May 9 @TEX 7.0 27 W 0 0 6 9 0 0 101 75 26 .74
Logan Gilbert May 8 @TEX 6.2 24 L 2 2 3 10 1 0 91 65 26 .71
Bryce Miller May 7 @HOU 6.0 20 W 0 0 2 5 1 0 85 64 21 .75
Marco Gonzales May 6 @HOU 6.0 25 3 3 6 4 3 0 84 51 33 .61
Luis Castillo May 5 @HOU 7.0 26 4 4 5 5 1 1 96 70 26 .73
George Kirby May 4 OAK 7.0 28 W 3 3 7 2 1 1 98 72 26 .73
Logan Gilbert May 3 OAK 6.0 22 2 2 3 6 2 0 89 51 38 .57
Bryce Miller May 2 OAK 6.0 20 1 1 2 10 0 0 81 57 24 .70
Marco Gonzales Apr 30 TOR 3.0 19 5 8 8 2 1 1 67 46 21 .69
Easton McGee Apr 29 TOR 6.2 22 0 0 1 2 1 0 64 45 19 .70
Luis Castillo Apr 28 TOR 5.0 23 2 2 6 4 2 1 95 58 37 .61
George Kirby Apr 27 PHI 8.0 28 L 1 1 4 7 1 0 89 65 24 .73
Logan Gilbert Apr 26 PHI 5.0 23 4 4 7 6 1 1 86 60 26 .70
Marco Gonzales Apr 25 PHI 5.0 19 W 1 1 4 2 1 1 75 55 20 .73
Chris Flexen Apr 23 @STL 4.0 22 L 6 6 9 3 3 2 84 52 32 .62
Luis Castillo Apr 22 @STL 5.0 24 3 3 7 8 2 0 100 66 34 .66
George Kirby Apr 21 @STL 6.0 22 W 2 2 3 5 0 0 86 58 28 .67
Marco Gonzales Apr 19 @MIL 6.0 22 2 2 4 9 1 0 90 62 28 .69
Logan Gilbert Apr 18 @MIL 6.0 23 4 4 5 8 0 2 99 66 33 .67
Chris Flexen Apr 17 @MIL 6.0 25 L 4 4 6 5 1 0 78 55 23 .71
Luis Castillo Apr 16 @COL 7.0 23 W 0 0 2 9 0 0 91 68 23 .75
George Kirby Apr 15 @COL 6.1 24 W 2 2 6 3 0 0 90 63 27 .70
Tommy Milone Apr 14 @COL 4.2 19 1 1 3 3 2 1 82 54 28 .66
Logan Gilbert Apr 12 CHC 6.2 25 W 1 1 4 7 1 0 94 58 36 .62
Chris Flexen Apr 11 CHC 2.1 18 L 8 8 10 1 2 2 74 47 27 .64
Luis Castillo Apr 10 CHC 6.0 25 2 2 6 5 2 0 93 61 32 .66
George Kirby Apr 9 CLE 6.0 23 1 1 5 4 0 0 96 67 29 .70
Marco Gonzales Apr 8 CLE 5.2 25 W 1 1 6 5 3 0 93 62 31 .67
Logan Gilbert Apr 7 CLE 4.0 19 3 3 6 6 2 0 81 49 32 .60
Chris Flexen Apr 5 @LAA 5.0 19 L 2 2 2 4 2 1 91 57 34 .63
Luis Castillo Apr 4 @LAA 5.2 21 W 0 0 2 6 2 0 99 59 40 .60
George Kirby Apr 3 @LAA 4.1 23 L 4 4 9 5 1 1 84 59 25 .70
Marco Gonzales Apr 2 @CLE 5.0 21 4 4 6 1 2 1 69 48 21 .70
Logan Gilbert Apr 1 @CLE 6.0 23 L 1 1 4 7 1 1 85 64 21 .75
Robbie Ray Mar 31 @CLE 3.1 19 L 3 5 4 3 5 0 91 51 40 .56
Luis Castillo Mar 30 @CLE 6.0 19 0 0 1 6 0 0 76 59 17 .78