The 2003 roster for the Mariners included Jamie Moyer at pitcher, Dan Wilson at catcher, John Olerud at first baseman, Bret Boone at second baseman and Jeff Cirillo at third baseman.
| NO. | NAME | POS | HEIGHT | WEIGHT | DOB | AGE | BIRTHPLACE | ||
|---|---|---|---|---|---|---|---|---|---|
| 1 |  | A. Benitez | P | 6'4" | 260 | 11/3/1972 | 30 | Ramon Santana, Dominican Republic | |
| 2 | | W. Bloomquist | 3B | 5'11" | 200 | 11/27/1977 | 25 | Bremerton, WA | |
| 3 | | B. Boone | 2B | 5'10" | 185 | 4/6/1969 | 34 | El Cajon, CA | |
| 4 | | P. Borders | C | 6'2" | 200 | 5/14/1963 | 40 | Columbus, OH | |
| 5 | | M. Cameron | OF | 6'2" | 210 | 1/8/1973 | 30 | La Grange, GA | |
| 6 | | G. Carrara | P | 6'2" | 230 | 3/4/1968 | 35 | El Tigre, Venezuela | |
| 7 | | J. Cirillo | 3B | 6'1" | 205 | 9/23/1969 | 33 | Pasadena, CA | |
| 8 | | G. Colbrunn | 1B | 6'0" | 215 | 7/26/1969 | 33 | Fontana, CA | |
| 9 | | B. Davis | C | 6'4" | 240 | 3/10/1977 | 26 | Chester, PA | |
| 10 | | R. Franklin | P | 6'3" | 190 | 3/5/1973 | 30 | Fort Smith, AR | |
| 11 | | F. Garcia | P | 6'4" | 250 | 10/6/1976 | 26 | Caracas, Venezuela | |
| 12 | | C. Guillen | SS | 6'1" | 215 | 9/30/1975 | 27 | Maracay, Venezuela | |
| 13 | | S. Hasegawa | P | 5'11" | 175 | 8/1/1968 | 34 | Kobe, Japan | |
| 14 | | A. Looper | P | 6'2" | 210 | 9/7/1976 | 26 | Ada, OK | |
| 15 | | J. Mabry | OF | 6'4" | 210 | 10/17/1970 | 32 | Wilmington, DE | |
| 16 | | E. Martinez | DH | 5'11" | 205 | 1/2/1963 | 40 | New York, NY | |
| 17 | | J. Mateo | P | 5'11" | 235 | 8/2/1977 | 25 | Bani, Dominican Republic | |
| 18 | | M. McLemore | SS | 5'11" | 205 | 10/4/1964 | 38 | San Diego, CA | |
| 19 | | G. Meche | P | 6'3" | 220 | 9/8/1978 | 24 | Lafayette, LA | |
| 20 | | C. Meyers | DH | 6'0" | 194 | 8/8/1975 | 27 | Omaha, NE | |
| 21 | | J. Moyer | P | 6'0" | 185 | 11/18/1962 | 40 | Sellersville, PA | |
| 22 | | J. Nelson | P | 6'8" | 225 | 11/17/1966 | 36 | Baltimore, MD | |
| 23 | | J. Olerud | 1B | 6'5" | 225 | 8/5/1968 | 34 | Seattle, WA | |
| 24 | | J. Pineiro | P | 6'0" | 200 | 9/25/1978 | 24 | Rio Piedras, Puerto Rico | |
| 25 | | J.J. Putz | P | 6'5" | 250 | 2/22/1977 | 26 | Trenton, MI | |
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More Mariners Stats
Team Batting Leaders 
HR
20
RodrÃguez
RBI
58
Arozarena
AVG
.272
Arozarena
Team Pitching Leaders 
W
11
Gilbert
K
162
Gilbert
ERA
3.36
Gilbert
Team Rankings
HR
155
14th
R
526
30th
SO
1,143
11th
ERA
4.10
14th
Astros
Rangers
Mariners
Athletics
Angels
TOR
BOS
MLB 2026 Batting Leaders
MLB 2026 Pitching Leaders
MLB Fantasy 2026
MLB 2026 Betting
MLB 2026 Standings
| NL East | W | L | PCT | GB |
|---|---|---|---|---|
78 | 55 | .586 | ||
74 | 60 | .552 | 4.5 | |
68 | 66 | .507 | 10.5 | |
63 | 73 | .463 | 16.5 | |
60 | 73 | .451 | 18.0 | |
| NL Central | W | L | PCT | GB |
82 | 51 | .617 | ||
76 | 58 | .567 | 6.5 | |
67 | 68 | .496 | 16.0 | |
65 | 70 | .481 | 18.0 | |
63 | 71 | .470 | 19.5 | |
| NL West | W | L | PCT | GB |
80 | 53 | .602 | ||
72 | 62 | .537 | 8.5 | |
71 | 63 | .530 | 9.5 | |
54 | 79 | .406 | 26.0 | |
52 | 82 | .388 | 28.5 |
Braves
Phillies
Marlins
Nationals
Mets
Brewers
Cubs
Cardinals
Pirates
Reds
Dodgers
Padres
Diamondbacks
Giants
Rockies| AL East | W | L | PCT | GB |
|---|---|---|---|---|
79 | 54 | .594 | ||
75 | 57 | .568 | 3.5 | |
73 | 60 | .549 | 6.0 | |
65 | 69 | .485 | 14.5 | |
65 | 69 | .485 | 14.5 | |
| AL Central | W | L | PCT | GB |
70 | 63 | .526 | ||
68 | 66 | .507 | 2.5 | |
64 | 70 | .478 | 6.5 | |
62 | 71 | .466 | 8.0 | |
59 | 75 | .440 | 11.5 | |
| AL West | W | L | PCT | GB |
66 | 67 | .496 | ||
66 | 68 | .493 | 0.5 | |
64 | 70 | .478 | 2.5 | |
53 | 81 | .396 | 13.5 | |
52 | 82 | .388 | 14.5 |
Rays
Yankees
Orioles
White Sox
Guardians
Twins
Tigers
Royals