Luis Castillo has a 42-40 record with an ERA of 3.65 and 717 strikeouts in 125 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 | 19 | 3 | 9 | .250 | 16 | 4.85 | 84 | 0 | 0 | 0 | 94.2 | 96 | 51 | 60 | 14 | 30 | 5 | 2 | 0 | 417 | 2 | 7.99 | 2.85 | 2.80 | 1.33 | 20.1 | 7.2 | 1.33 | .289 | 5.70 | 124 | 4.36 | 109 | 9.13 | -4.1 | |
| Total | 125 | 42 | 40 | .512 | 122 | 3.65 | 717 | 0 | 0 | 0 | 713.0 | 637 | 289 | 316 | 96 | 196 | 26 | 2 | 2 | 2,949 | 8 | 9.05 | 2.47 | 3.66 | 1.21 | 24.3 | 6.6 | 1.17 | .283 | 3.99 | 94 | 3.84 | 96 | 8.04 | 11.8 |
SEAMore MLB News
Tucker homers again and Yamamoto allows 1 run in 6 innings as Dodgers beat sloppy Mets 4-3
Hunter Brown pitches Astros past White Sox 4-1 for 5th straight win
Nathan Eovaldi strikes out 8 as the Rangers beat the Mariners 7-1
Rookies Pratt, Lara drive in 3 runs apiece, Gasser works 6 innings as Brewers beat Rockies 8-5
Beavers' 9th-inning hit gives the Orioles a 3-2 victory over the Braves
Roden's 2-RBI single, and Rojas' strong start on short notice help Twins top Athletics 2-0
More Mariners Stats
Team Batting Leaders 
HR
15
RodrÃguez
RBI
48
Young
AVG
.280
Arozarena
Team Pitching Leaders 
W
8
Gilbert
K
129
Gilbert
ERA
2.75
Miller
Team Rankings
HR
121
16th
R
420
28th
SO
891
12th
ERA
3.65
6th
Rangers
Astros
Athletics
Angels
LAD
MLB 2026 Batting Leaders
MLB 2026 Pitching Leaders
MLB Fantasy 2026
MLB 2026 Betting
MLB 2026 Standings
| NL East | W | L | PCT | GB |
|---|---|---|---|---|
61 | 43 | .587 | ||
56 | 49 | .533 | 5.5 | |
53 | 52 | .505 | 8.5 | |
52 | 53 | .495 | 9.5 | |
43 | 62 | .410 | 18.5 | |
| NL Central | W | L | PCT | GB |
65 | 39 | .625 | ||
59 | 45 | .567 | 6.0 | |
53 | 51 | .510 | 12.0 | |
53 | 52 | .505 | 12.5 | |
48 | 55 | .466 | 16.5 | |
| NL West | W | L | PCT | GB |
67 | 38 | .638 | ||
55 | 50 | .524 | 12.0 | |
52 | 53 | .495 | 15.0 | |
44 | 60 | .423 | 22.5 | |
42 | 64 | .396 | 25.5 |
Braves
Phillies
Nationals
Marlins
Mets
Brewers
Cubs
Cardinals
Pirates
Reds
Diamondbacks
Padres
Giants
Rockies| AL East | W | L | PCT | GB |
|---|---|---|---|---|
61 | 43 | .587 | ||
59 | 45 | .567 | 2.0 | |
53 | 50 | .515 | 7.5 | |
51 | 54 | .486 | 10.5 | |
48 | 57 | .457 | 13.5 | |
| AL Central | W | L | PCT | GB |
54 | 49 | .524 | ||
54 | 52 | .509 | 1.5 | |
52 | 54 | .491 | 3.5 | |
50 | 55 | .476 | 5.0 | |
44 | 62 | .415 | 11.5 | |
| AL West | W | L | PCT | GB |
53 | 51 | .510 | ||
52 | 54 | .491 | 2.0 | |
51 | 54 | .486 | 2.5 | |
44 | 60 | .423 | 9.0 | |
41 | 64 | .390 | 12.5 |
Rays
Yankees
Red Sox
Orioles
Blue Jays
White Sox
Guardians
Twins
Tigers
Royals