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 | 131 | 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
22
Arozarena
RBI
66
Arozarena
AVG
.272
Arozarena
Team Pitching Leaders 
W
11
Gilbert
K
166
Gilbert
ERA
3.42
Gilbert
Team Rankings
HR
162
15th
R
555
30th
SO
1,178
14th
ERA
4.18
17th
Astros
Rangers
Athletics
Angels
MLB 2026 Batting Leaders
MLB 2026 Pitching Leaders
MLB Fantasy 2026
MLB 2026 Betting
MLB 2026 Standings
| NL East | W | L | PCT | GB |
|---|---|---|---|---|
83 | 57 | .593 | ||
79 | 61 | .564 | 4.0 | |
71 | 69 | .507 | 12.0 | |
67 | 75 | .472 | 17.0 | |
63 | 77 | .450 | 20.0 | |
| NL Central | W | L | PCT | GB |
87 | 53 | .621 | ||
78 | 62 | .557 | 9.0 | |
70 | 70 | .500 | 17.0 | |
68 | 72 | .486 | 19.0 | |
67 | 73 | .479 | 20.0 | |
| NL West | W | L | PCT | GB |
82 | 57 | .590 | ||
74 | 67 | .525 | 9.0 | |
73 | 67 | .521 | 9.5 | |
58 | 82 | .414 | 24.5 | |
54 | 86 | .386 | 28.5 |
Braves
Phillies
Marlins
Nationals
Mets
Brewers
Cubs
Cardinals
Pirates
Reds
Dodgers
Diamondbacks
Padres
Giants
Rockies| AL East | W | L | PCT | GB |
|---|---|---|---|---|
83 | 56 | .597 | ||
80 | 60 | .571 | 3.5 | |
75 | 65 | .536 | 8.5 | |
69 | 71 | .493 | 14.5 | |
69 | 71 | .493 | 14.5 | |
| AL Central | W | L | PCT | GB |
73 | 66 | .525 | ||
70 | 69 | .504 | 3.0 | |
67 | 73 | .479 | 6.5 | |
64 | 75 | .460 | 9.0 | |
62 | 78 | .443 | 11.5 | |
| AL West | W | L | PCT | GB |
71 | 69 | .507 | ||
69 | 71 | .493 | 2.0 | |
66 | 74 | .471 | 5.0 | |
54 | 86 | .386 | 17.0 | |
53 | 87 | .379 | 18.0 |
Rays
Yankees
Red Sox
Blue Jays
Orioles
White Sox
Guardians
Twins
Tigers
Royals