The Seattle Mariners have a record of 1-4 against the run line as favorites in the postseason all-time.
| TEAM | DATE | ATS | TM | OPP | RESULT | SPREAD | ATS DIFF | O/U | O/U DIFF | AB | R | H | 2B | 3B | HR | RBI | BB | HBP | SO | SB | CS | PA | TB | XBH | SH | SF | IBB | GIDP | AVG | OBP | SLG | OPS | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | Mariners | 10/4/2025 | 0-1 |  SEA | -194 | vs |  DET | +161 | L 2-3 | -1.5 | -2.5 (N) | 7 | -2 (U) | 38 | 2 | 6 | 0 | 0 | 1 | 2 | 2 | 0 | 8 | 0 | 0 | 40 | 9 | 1 | 0 | 0 | 0 | 1 | .158 | .200 | .237 | .437 |
| 2 | | Mariners | 10/7/2025 | 1-0 | SEA | -139 | @ | DET | +118 | W 8-4 | -1.5 | +2.5 (Y) | 7.5 | +4.5 (O) | 34 | 8 | 8 | 2 | 0 | 3 | 7 | 5 | 1 | 10 | 0 | 1 | 41 | 19 | 5 | 0 | 1 | 0 | 0 | .235 | .341 | .559 | .900 |
| 3 | | Mariners | 10/8/2025 | 0-1 | SEA | -111 | @ | DET | -108 | L 3-9 | -1.5 | -7.5 (N) | 8.5 | +3.5 (O) | 33 | 3 | 8 | 1 | 0 | 0 | 2 | 4 | 0 | 10 | 0 | 0 | 37 | 9 | 1 | 0 | 0 | 0 | 2 | .242 | .324 | .273 | .597 |
| 4 | | Mariners | 10/15/2025 | 0-1 | SEA | -133 | vs |  TOR | +112 | L 4-13 | -1.5 | -10.5 (N) | 7 | +10 (O) | 34 | 4 | 8 | 1 | 0 | 3 | 4 | 1 | 0 | 10 | 1 | 0 | 35 | 18 | 4 | 0 | 0 | 0 | 1 | .235 | .257 | .529 | .787 |
| 5 | | Mariners | 10/16/2025 | 0-1 | SEA | -132 | vs | TOR | +111 | L 2-8 | -1.5 | -7.5 (N) | 7.5 | +2.5 (O) | 29 | 2 | 5 | 0 | 0 | 1 | 2 | 5 | 0 | 8 | 0 | 0 | 34 | 8 | 1 | 0 | 0 | 0 | 1 | .172 | .294 | .276 | .570 |
| Total | 1-4 | 168 | 19 | 35 | 4 | 0 | 8 | 17 | 17 | 1 | 46 | 1 | 1 | 187 | 63 | 12 | 0 | 1 | 0 | 5 | .208 | .283 | .375 | .658 |
StatMuse has team, game-level data for run-line records going back to the 2016 playoffs.
Some of the information used here was obtained free of charge from Retrosheet.
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