| |
 | Seattle Mariners 2013 Record: 20-27 |
| DATE | OPP | RESULT | |
| REGULAR SEASON | |||
| Sun 1 | @BOS | L 3-2 | |
| Tue 3 | TEX | W 4-3 | |
| Wed 4 | TEX | L 5-2 | |
| Thu 5 | TEX | W 3-1 | |
| Fri 6 | CHW | W 3-2 | |
| Sat 7 | CHW | L 6-0 | |
| Sun 8 | CHW | L 5-2, 10 inn | |
| Tue 10 | @BAL | L 7-6, 13 inn | |
| Wed 11 | @BAL | L 4-2 | |
| Thu 12 | @BAL | L 2-1, 12 inn | |
| Fri 13 | @CLE | L 5-4 | |
| Sat 14 | @CLE | PPD | |
| Sun 15 | @CLE | PPD | |
| Mon 16 | MIN | W 5-2 | |
| Tue 17 | MIN | L 2-1 | |
| Wed 18 | LAA | W 3-0 | |
| Thu 19 | LAA | W 2-1 | |
| Fri 20 | @SDG | W 4-1 | |
| Sat 21 | @SDG | W 4-0 | |
| Sun 22 | @SDG | W 6-1 | |
| Mon 23 | @MIN | W 8-7, 10 inn | |
| Tue 24 | @MIN | L 4-2 | |
| Wed 25 | @MIN | W 3-0 | |
| Fri 27 | NYY | W 4-3 | |
| Sat 28 | NYY | W 5-4, 12 inn | |
| Sun 29 | NYY | L 7-1 | |
| Mon 30 | BAL | W 4-3 | |
| Tue 31 | BAL | W 3-2 | |