The 2021 pitchers for the Mariners included Matt Brash, Joey Gerber, Ken Giles, Juan Then and Chris Flexen.
| NO. | NAME | POS | HEIGHT | WEIGHT | DOB | AGE | BIRTHPLACE | ||
|---|---|---|---|---|---|---|---|---|---|
| 1 | 31 |  | T. Anderson | P | 6'3" | 215 | 12/30/1989 | 31 | Las Vegas, NV |
| 2 | 27 |  | M. Andriese | P | 6'2" | 225 | 8/28/1989 | 31 | Redlands, CA |
| 3 | 47 | | M. Brash | P | 6'1" | 170 | 5/12/1998 | 23 | Kingston, Canada |
| 4 | 63 | | D. Castillo | P | 6'3" | 250 | 1/18/1994 | 27 | Cabrera, Dominican Republic |
| 5 | 84 | | JT Chargois | P | 6'3" | 200 | 12/3/1990 | 30 | Sulphur, LA |
| 6 | 62 |  | S. Doolittle | P | 6'2" | 204 | 9/26/1986 | 34 | Rapid City, SD |
| 7 | 30 | | R. Dugger | P | 6'2" | 180 | 7/3/1995 | 25 | Tucson, AZ |
| 8 | 35 | | J. Dunn | P | 6'2" | 185 | 9/22/1995 | 25 | Freeport, NY |
| 9 | 41 | | A. Fletcher | P | 6'0" | 220 | 2/25/1996 | 25 | Geneseo, IL |
| 10 | 77 | | C. Flexen | P | 6'3" | 250 | 7/1/1994 | 27 | Newark, CA |
| 11 | 59 | | J. Gerber | P | 6'4" | 215 | 5/3/1997 | 24 | Maple Grove, MN |
| 12 | 36 |  | L. Gilbert | P | 6'6" | 225 | 5/5/1997 | 24 | Winter Park, FL |
| 13 | 58 | | K. Giles | P | 6'3" | 210 | 9/20/1990 | 30 | Albuquerque, NM |
| 14 | 7 | | M. Gonzales | P | 6'1" | 195 | 2/16/1992 | 29 | Fort Collins, CO |
| 15 | 49 | | K. Graveman | P | 6'2" | 200 | 12/21/1990 | 30 | Tallapoosa County, AL |
| 16 | 18 |  | Y. Kikuchi | P | 6'0" | 194 | 6/17/1991 | 30 | Morioka, Japan |
| 17 | 62 | | B. Lail | P | 6'2" | 205 | 8/9/1993 | 27 | South Jordan, UT |
| 18 | 52 | | N. Margevicius | P | 6'5" | 220 | 6/18/1996 | 25 | Cleveland, OH |
| 19 | 45 | | D. McCaughan | P | 6'1" | 195 | 3/18/1996 | 25 | Downey, CA |
| 20 | 99 | | K. Middleton | P | 6'3" | 215 | 9/12/1993 | 27 | Portland, OR |
| 21 | 40 | | W. Mills | P | 6'3" | 175 | 1/25/1995 | 26 | Spokane, WA |
| 22 | 38 | | A. Misiewicz | P | 6'1" | 190 | 11/1/1994 | 26 | Detroit, MI |
| 23 | 47 | | R. Montero | P | 6'0" | 185 | 10/17/1990 | 30 | Higuerito, Dominican Republic |
| 24 | 54 |  | A. Muñoz | P | 6'2" | 165 | 1/16/1999 | 22 | Los Mochis, Mexico |
| 25 | 74 | | L. Newsome | P | 5'11" | 210 | 11/8/1996 | 24 | La Plata, MD |
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AVG
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Team Pitching Leaders 
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Team Rankings
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MLB 2026 Standings
| NL East | W | L | PCT | GB |
|---|---|---|---|---|
 Braves - y | 94 | 68 | .580 | |
 Phillies - w | 88 | 74 | .543 | 6.0 |
80 | 82 | .494 | 14.0 | |
77 | 85 | .475 | 17.0 | |
74 | 88 | .457 | 20.0 | |
| NL Central | W | L | PCT | GB |
 Brewers - y | 103 | 59 | .636 | |
 Cubs - w | 89 | 73 | .549 | 14.0 |
82 | 80 | .506 | 21.0 | |
77 | 85 | .475 | 26.0 | |
75 | 87 | .463 | 28.0 | |
| NL West | W | L | PCT | GB |
 Dodgers - y | 100 | 62 | .617 | |
 Padres - w | 91 | 71 | .562 | 9.0 |
86 | 76 | .531 | 14.0 | |
65 | 97 | .401 | 35.0 | |
58 | 104 | .358 | 42.0 |
Marlins
Nationals
Mets
Pirates
Cardinals
Reds
Diamondbacks
Giants
Rockies| AL East | W | L | PCT | GB |
|---|---|---|---|---|
 Rays - y | 98 | 64 | .605 | |
 Yankees - w | 93 | 68 | .578 | 4.5 |
 Red Sox - w | 87 | 75 | .537 | 11.0 |
79 | 82 | .491 | 18.5 | |
79 | 83 | .488 | 19.0 | |
| AL Central | W | L | PCT | GB |
 Guardians - y | 85 | 77 | .525 | |
 White Sox - w | 84 | 78 | .519 | 1.0 |
77 | 85 | .475 | 8.0 | |
76 | 86 | .469 | 9.0 | |
69 | 93 | .426 | 16.0 | |
| AL West | W | L | PCT | GB |
 Astros - y | 81 | 81 | .500 | |
80 | 82 | .494 | 1.0 | |
76 | 86 | .469 | 5.0 | |
64 | 98 | .395 | 17.0 | |
62 | 100 | .383 | 19.0 |
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Twins
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Royals