Luis Castillo is 42-40 with an ERA of 3.69 and 719 strikeouts in 126 appearances for the Mariners in his career.
| NAME | SEASON | TM | G | W | L | W% | GS | ERA | SO | 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 |  | L. Castillo | 2022 | 11 | 4 | 2 | .667 | 11 | 3.17 | 77 | 0 | 0 | 0 | 65.1 | 55 | 23 | 26 | 6 | 17 | 4 | 0 | 0 | 266 | 0 | 10.61 | 2.34 | 4.53 | 0.83 | 28.9 | 6.4 | 1.10 | .302 | 3.58 | 85 | 2.91 | 76 | 7.58 | 6.7 | |
| 2 | | L. Castillo | 2023 | 33 | 13 | 9 | .591 | 33 | 3.34 | 219 | 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 | |
| 3 | | L. Castillo | 2024 | 30 | 11 | 12 | .478 | 30 | 3.64 | 175 | 0 | 0 | 0 | 175.1 | 158 | 71 | 73 | 25 | 47 | 5 | 0 | 2 | 719 | 0 | 8.98 | 2.41 | 3.72 | 1.28 | 24.3 | 6.5 | 1.17 | .285 | 3.75 | 97 | 3.91 | 100 | 8.11 | 0 | |
| 4 | | L. Castillo | 2025 | 32 | 11 | 8 | .579 | 32 | 3.54 | 162 | 0 | 0 | 0 | 180.2 | 168 | 71 | 76 | 23 | 46 | 7 | 0 | 0 | 745 | 3 | 8.07 | 2.29 | 3.52 | 1.15 | 21.7 | 6.2 | 1.18 | .286 | 3.79 | 92 | 3.87 | 97 | 8.37 | 2.5 | |
| 5 | | L. Castillo | 2026 | 20 | 3 | 9 | .250 | 17 | 5.06 | 86 | 0 | 0 | 0 | 99.2 | 107 | 56 | 65 | 16 | 32 | 5 | 2 | 1 | 443 | 2 | 7.77 | 2.89 | 2.69 | 1.44 | 19.4 | 7.2 | 1.39 | .299 | 5.87 | 129 | 4.56 | 115 | 9.66 | -6.9 | |
| Total | 126 | 42 | 40 | .512 | 123 | 3.69 | 719 | 0 | 0 | 0 | 718.0 | 648 | 294 | 321 | 98 | 198 | 26 | 2 | 3 | 2,975 | 8 | 9.01 | 2.48 | 3.63 | 1.23 | 24.2 | 6.7 | 1.18 | .284 | 4.02 | 95 | 3.87 | 97 | 8.12 | 9 |
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More Mariners Stats
Team Batting Leaders 
HR
19
RodrÃguez
RBI
56
Young
AVG
.272
Arozarena
Team Pitching Leaders 
W
10
Gilbert
K
157
Gilbert
ERA
3.30
Hancock
Team Rankings
HR
145
16th
R
500
30th
SO
1,085
12th
ERA
4.00
11th
Astros
Rangers
Angels
Athletics
CHC
PHI
MLB 2026 Batting Leaders
MLB 2026 Pitching Leaders
MLB Fantasy 2026
MLB 2026 Betting
MLB 2026 Standings
| NL East | W | L | PCT | GB |
|---|---|---|---|---|
75 | 53 | .586 | ||
70 | 58 | .547 | 5.0 | |
64 | 64 | .500 | 11.0 | |
61 | 68 | .473 | 14.5 | |
58 | 70 | .453 | 17.0 | |
| NL Central | W | L | PCT | GB |
79 | 49 | .617 | ||
74 | 54 | .578 | 5.0 | |
66 | 63 | .512 | 13.5 | |
63 | 66 | .488 | 16.5 | |
61 | 67 | .477 | 18.0 | |
| NL West | W | L | PCT | GB |
77 | 51 | .602 | ||
68 | 60 | .531 | 9.0 | |
67 | 61 | .523 | 10.0 | |
52 | 75 | .409 | 24.5 | |
50 | 77 | .394 | 26.5 |
Braves
Marlins
Nationals
Mets
Brewers
Cardinals
Pirates
Reds
Dodgers
Padres
Diamondbacks
Giants
Rockies| AL East | W | L | PCT | GB |
|---|---|---|---|---|
76 | 51 | .598 | ||
72 | 55 | .567 | 4.0 | |
68 | 59 | .535 | 8.0 | |
63 | 66 | .488 | 14.0 | |
61 | 67 | .477 | 15.5 | |
| AL Central | W | L | PCT | GB |
66 | 61 | .520 | ||
63 | 65 | .492 | 3.5 | |
62 | 66 | .484 | 4.5 | |
61 | 66 | .480 | 5.0 | |
55 | 74 | .426 | 12.0 | |
| AL West | W | L | PCT | GB |
64 | 64 | .500 | ||
63 | 65 | .492 | 1.0 | |
60 | 68 | .469 | 4.0 | |
51 | 77 | .398 | 13.0 | |
49 | 79 | .383 | 15.0 |
Rays
Yankees
Red Sox
Blue Jays
Orioles
White Sox
Twins
Guardians
Tigers
Royals