Randy Johnson has struck out the most hitters for the Mariners in a season, with 308 strikeouts in 1993.
| NAME | SO | SEASON | TM | G | W | L | W% | GS | ERA | CG | SHO | SV | IP | H | ER | R | HR | BB | HBP | GF | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | ERA- | FIP | FIP- | H/9 | PRAA | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | R. Johnson | 308 | 1993 | 35 | 19 | 8 | .704 | 34 | 3.24 | 10 | 3 | 1 | 255.1 | 185 | 92 | 97 | 22 | 99 | 16 | 1 | 1 | 1,043 | 8 | 10.86 | 3.49 | 3.11 | 0.78 | 29.5 | 9.5 | 1.11 | .273 | 3.42 | 74 | 3.04 | 70 | 6.52 | 36.2 | |
| 2 | | R. Johnson | 294 | 1995 | 30 | 18 | 2 | .900 | 30 | 2.48 | 6 | 3 | 0 | 214.1 | 159 | 59 | 65 | 12 | 65 | 6 | 0 | 1 | 866 | 5 | 12.35 | 2.73 | 4.52 | 0.50 | 33.9 | 7.5 | 1.05 | .301 | 2.73 | 53 | 2.08 | 44 | 6.68 | 62 | |
| 3 | | R. Johnson | 291 | 1997 | 30 | 20 | 4 | .833 | 29 | 2.28 | 5 | 2 | 0 | 213.0 | 147 | 54 | 60 | 20 | 77 | 10 | 0 | 2 | 850 | 4 | 12.30 | 3.25 | 3.78 | 0.85 | 34.2 | 9.1 | 1.05 | .281 | 2.54 | 50 | 2.82 | 62 | 6.21 | 41.3 | |
| 4 |  | M. Langston | 262 | 1987 | 35 | 19 | 13 | .594 | 35 | 3.84 | 14 | 3 | 0 | 272.0 | 242 | 116 | 132 | 30 | 114 | 5 | 0 | 0 | 1,152 | 9 | 8.67 | 3.77 | 2.30 | 0.99 | 22.7 | 9.9 | 1.31 | .286 | 4.37 | 84 | 3.68 | 79 | 8.01 | 29.5 | |
| 5 |  | F. Hernandez | 248 | 2014 | 34 | 15 | 6 | .714 | 34 | 2.14 | 0 | 0 | 0 | 236.0 | 170 | 56 | 68 | 16 | 46 | 5 | 0 | 1 | 912 | 18 | 9.46 | 1.75 | 5.39 | 0.61 | 27.2 | 5.0 | 0.92 | .258 | 2.59 | 58 | 2.56 | 69 | 6.48 | 30.7 | |
| 6 | | M. Langston | 245 | 1986 | 37 | 12 | 14 | .462 | 36 | 4.85 | 9 | 0 | 0 | 239.1 | 234 | 129 | 142 | 30 | 123 | 4 | 1 | 1 | 1,057 | 10 | 9.21 | 4.63 | 1.99 | 1.13 | 23.2 | 11.6 | 1.49 | .311 | 5.34 | 113 | 3.93 | 90 | 8.80 | 11.4 | |
| 7 | | R. Johnson | 241 | 1992 | 31 | 12 | 14 | .462 | 31 | 3.77 | 6 | 2 | 0 | 210.1 | 154 | 88 | 104 | 13 | 144 | 18 | 0 | 1 | 922 | 13 | 10.31 | 6.16 | 1.67 | 0.56 | 26.1 | 15.6 | 1.42 | .279 | 4.45 | 96 | 3.60 | 91 | 6.59 | 7.9 | |
| 8 | | M. Langston | 235 | 1988 | 35 | 15 | 11 | .577 | 35 | 3.34 | 9 | 3 | 0 | 261.1 | 222 | 97 | 108 | 32 | 110 | 3 | 0 | 2 | 1,078 | 7 | 8.09 | 3.79 | 2.14 | 1.10 | 21.8 | 10.2 | 1.27 | .272 | 3.72 | 81 | 3.85 | 94 | 7.65 | 7.7 | |
| 9 | | F. Hernandez | 232 | 2010 | 34 | 13 | 12 | .520 | 34 | 2.27 | 6 | 1 | 0 | 249.2 | 194 | 63 | 80 | 17 | 70 | 8 | 0 | 1 | 1,001 | 14 | 8.36 | 2.52 | 3.31 | 0.61 | 23.2 | 7.0 | 1.06 | .263 | 2.88 | 58 | 3.04 | 75 | 6.99 | 28.4 | |
| 10 | | R. Johnson | 228 | 1991 | 33 | 13 | 10 | .565 | 33 | 3.98 | 2 | 1 | 0 | 201.1 | 151 | 89 | 96 | 15 | 152 | 12 | 0 | 0 | 889 | 12 | 10.19 | 6.79 | 1.50 | 0.67 | 25.6 | 17.1 | 1.50 | .282 | 4.29 | 96 | 4.00 | 99 | 6.75 | 1 | |
| 11 | | F. Hernandez | 223 | 2012 | 33 | 13 | 9 | .591 | 33 | 3.06 | 5 | 5 | 0 | 232.0 | 209 | 79 | 84 | 14 | 56 | 12 | 0 | 0 | 939 | 13 | 8.65 | 2.17 | 3.98 | 0.54 | 23.7 | 6.0 | 1.14 | .308 | 3.26 | 80 | 2.83 | 71 | 8.11 | 31 | |
| 12 | | F. Hernandez | 222 | 2011 | 33 | 14 | 14 | .500 | 33 | 3.47 | 5 | 0 | 0 | 233.2 | 218 | 90 | 99 | 19 | 67 | 7 | 0 | 0 | 964 | 12 | 8.55 | 2.58 | 3.31 | 0.73 | 23.0 | 7.0 | 1.22 | .307 | 3.81 | 90 | 3.13 | 80 | 8.40 | 20.9 | |
| 13 |  | L. Gilbert | 220 | 2024 | 33 | 9 | 12 | .429 | 33 | 3.23 | 1 | 0 | 0 | 208.2 | 148 | 75 | 83 | 26 | 37 | 4 | 0 | 1 | 803 | 11 | 9.49 | 1.60 | 5.95 | 1.12 | 27.4 | 4.6 | 0.89 | .236 | 3.58 | 86 | 3.26 | 83 | 6.38 | 15.6 | |
| 14 |  | L. Castillo | 219 | 2023 | 33 | 13 | 9 | .591 | 33 | 3.34 | 0 | 0 | 0 | 197.0 | 160 | 73 | 81 | 28 | 56 | 5 | 0 | 0 | 802 | 3 | 10.01 | 2.56 | 3.91 | 1.28 | 27.3 | 7.0 | 1.10 | .267 | 3.70 | 83 | 3.80 | 93 | 7.31 | 6.6 | |
| 15 | | F. Hernandez | 217 | 2009 | 34 | 19 | 5 | .792 | 34 | 2.49 | 2 | 1 | 0 | 238.2 | 200 | 66 | 81 | 15 | 71 | 8 | 0 | 0 | 977 | 17 | 8.18 | 2.68 | 3.06 | 0.57 | 22.2 | 7.3 | 1.14 | .278 | 3.05 | 58 | 3.08 | 71 | 7.54 | 33.4 | |
| 16 | | F. Hernandez | 216 | 2013 | 31 | 12 | 10 | .545 | 31 | 3.04 | 0 | 0 | 0 | 204.1 | 185 | 69 | 74 | 15 | 46 | 3 | 0 | 1 | 823 | 13 | 9.51 | 2.03 | 4.70 | 0.66 | 26.2 | 5.6 | 1.13 | .313 | 3.26 | 79 | 2.60 | 67 | 8.15 | 29.5 | |
| 17 | | R. Johnson | 213 | 1998 | 23 | 9 | 10 | .474 | 23 | 4.33 | 6 | 2 | 0 | 160.0 | 146 | 77 | 90 | 19 | 60 | 11 | 0 | 0 | 685 | 7 | 11.98 | 3.38 | 3.55 | 1.07 | 31.1 | 8.8 | 1.29 | .332 | 5.06 | 93 | 3.34 | 73 | 8.21 | 22.4 | |
| 18 |  | R. Ray | 212 | 2022 | 32 | 12 | 12 | .500 | 32 | 3.71 | 0 | 0 | 0 | 189.0 | 163 | 78 | 80 | 32 | 62 | 7 | 0 | 0 | 775 | 5 | 10.10 | 2.95 | 3.42 | 1.52 | 27.4 | 8.0 | 1.19 | .284 | 3.81 | 100 | 4.16 | 109 | 7.76 | -7.6 | |
| 19 | | E. Hanson | 211 | 1990 | 33 | 18 | 9 | .667 | 33 | 3.24 | 5 | 1 | 0 | 236.0 | 205 | 85 | 88 | 15 | 68 | 2 | 0 | 6 | 964 | 10 | 8.05 | 2.59 | 3.10 | 0.57 | 21.9 | 7.1 | 1.16 | .284 | 3.36 | 81 | 2.73 | 68 | 7.82 | 32.6 | |
| 20 | | F. Bannister | 209 | 1982 | 35 | 12 | 13 | .480 | 35 | 3.43 | 5 | 3 | 0 | 247.0 | 225 | 94 | 112 | 32 | 77 | 3 | 0 | 0 | 1,022 | 6 | 7.62 | 2.81 | 2.71 | 1.17 | 20.5 | 7.5 | 1.22 | .275 | 4.08 | 82 | 3.67 | 85 | 8.20 | 17.2 | |
| 21 |  | J. Paxton | 208 | 2018 | 28 | 11 | 6 | .647 | 28 | 3.76 | 2 | 1 | 0 | 160.1 | 134 | 67 | 67 | 23 | 42 | 1 | 0 | 0 | 645 | 8 | 11.68 | 2.36 | 4.95 | 1.29 | 32.2 | 6.5 | 1.10 | .299 | 3.76 | 92 | 3.23 | 77 | 7.52 | 17.1 | |
| 22 | | R. Johnson | 204 | 1994 | 23 | 13 | 6 | .684 | 23 | 3.19 | 9 | 4 | 0 | 172.0 | 132 | 61 | 65 | 14 | 72 | 6 | 0 | 2 | 694 | 5 | 10.67 | 3.77 | 2.83 | 0.73 | 29.4 | 10.4 | 1.19 | .296 | 3.40 | 67 | 3.17 | 67 | 6.91 | 29.9 | |
| 23 | | M. Langston | 204 | 1984 | 35 | 17 | 10 | .630 | 33 | 3.40 | 5 | 2 | 0 | 225.0 | 188 | 85 | 99 | 16 | 118 | 8 | 0 | 5 | 965 | 4 | 8.16 | 4.72 | 1.73 | 0.64 | 21.1 | 12.2 | 1.36 | .278 | 3.96 | 84 | 3.55 | 85 | 7.52 | 15.4 | |
| 24 |  | B. Woo | 198 | 2025 | 30 | 15 | 7 | .682 | 30 | 2.94 | 0 | 0 | 0 | 186.2 | 137 | 61 | 64 | 26 | 36 | 4 | 0 | 0 | 731 | 3 | 9.55 | 1.74 | 5.50 | 1.25 | 27.1 | 4.9 | 0.93 | .238 | 3.09 | 77 | 3.46 | 86 | 6.61 | 11.4 | |
| 25 | | R. Johnson | 194 | 1990 | 33 | 14 | 11 | .560 | 33 | 3.65 | 5 | 2 | 0 | 219.2 | 174 | 89 | 103 | 26 | 120 | 5 | 0 | 2 | 944 | 4 | 7.95 | 4.92 | 1.62 | 1.07 | 20.6 | 12.7 | 1.34 | .247 | 4.22 | 92 | 4.28 | 107 | 7.13 | -6.8 | |
SEA
SEAMore Mariners Stats
Team Batting Leaders 
HR
60
Raleigh
RBI
125
Raleigh
AVG
.300
Canzone
Team Pitching Leaders 
W
15
Woo
K
198
Woo
ERA
2.94
Woo
Team Rankings
HR
238
3rd
R
766
9th
SO
1,426
7th
ERA
3.87
13th
Astros
Rangers
Athletics
Angels
MLB 2025 Batting Leaders
MLB 2025 Pitching Leaders
MLB Fantasy 2025
MLB 2025 Betting
MLB 2025 Standings
| NL East | W | L | PCT | GB |
|---|---|---|---|---|
 Phillies - y | 96 | 66 | .593 | |
83 | 79 | .512 | 13.0 | |
79 | 83 | .488 | 17.0 | |
76 | 86 | .469 | 20.0 | |
66 | 96 | .407 | 30.0 | |
| NL Central | W | L | PCT | GB |
 Brewers - y | 97 | 65 | .599 | |
 Cubs - w | 92 | 70 | .568 | 5.0 |
 Reds - w | 83 | 79 | .512 | 14.0 |
78 | 84 | .481 | 19.0 | |
71 | 91 | .438 | 26.0 | |
| NL West | W | L | PCT | GB |
 Dodgers - y | 93 | 69 | .574 | |
 Padres - w | 90 | 72 | .556 | 3.0 |
81 | 81 | .500 | 12.0 | |
80 | 82 | .494 | 13.0 | |
43 | 119 | .265 | 50.0 |
Mets
Marlins
Braves
Nationals
Cardinals
Pirates
Giants
Diamondbacks
Rockies| AL East | W | L | PCT | GB |
|---|---|---|---|---|
 Blue Jays - y | 94 | 68 | .580 | |
 Yankees - w | 94 | 68 | .580 | |
 Red Sox - w | 89 | 73 | .549 | 5.0 |
77 | 85 | .475 | 17.0 | |
75 | 87 | .463 | 19.0 | |
| AL Central | W | L | PCT | GB |
 Guardians - y | 88 | 74 | .543 | |
 Tigers - w | 87 | 75 | .537 | 1.0 |
82 | 80 | .506 | 6.0 | |
70 | 92 | .432 | 18.0 | |
60 | 102 | .370 | 28.0 | |
| AL West | W | L | PCT | GB |
 Mariners - y | 90 | 72 | .556 | |
87 | 75 | .537 | 3.0 | |
81 | 81 | .500 | 9.0 | |
76 | 86 | .469 | 14.0 | |
72 | 90 | .444 | 18.0 |
Rays
Orioles
Royals
Twins
White Sox
