The Houston Astros have a 279-219 record against the AL West in the regular-season and playoffs all-time.
| TEAM | LOC | REC | W% | G | W | L | AB | R | H | 2B | 3B | HR | RBI | BB | HBP | SO | SB | CS | PA | TB | XBH | SH | SF | IBB | GIDP | AVG | OBP | SLG | OPS | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | Astros | Home | 279-219 | .560 | 498 | 279 | 219 | 16,491 | 2,389 | 4,322 | 856 | 67 | 656 | 2,282 | 1,618 | 179 | 3,633 | 234 | 89 | 18,483 | 7,280 | 1,579 | 69 | 126 | 84 | 375 | .262 | .332 | .441 | .774 |
| 2 | | Astros | Away | 264-222 | .543 | 486 | 264 | 222 | 17,072 | 2,313 | 4,329 | 886 | 56 | 604 | 2,208 | 1,590 | 204 | 3,781 | 294 | 114 | 19,053 | 7,139 | 1,546 | 50 | 137 | 79 | 402 | .254 | .322 | .418 | .740 |
| 3 |  | Mariners | Home | 795-772 | .507 | 1,567 | 795 | 772 | 51,697 | 6,745 | 13,131 | 2,479 | 251 | 1,539 | 6,392 | 5,216 | 534 | 9,965 | 1,069 | 392 | 58,254 | 20,729 | 4,269 | 405 | 402 | 321 | 1,129 | .254 | .326 | .401 | .727 |
| 4 | | Mariners | Away | 695-887 | .439 | 1,583 | 695 | 887 | 55,265 | 6,897 | 14,081 | 2,590 | 267 | 1,459 | 6,528 | 4,914 | 493 | 10,285 | 987 | 536 | 61,524 | 21,582 | 4,316 | 416 | 436 | 323 | 1,275 | .255 | .319 | .391 | .709 |
Some of the information used here was obtained free of charge from Retrosheet.
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