The St. Louis Cardinals have lost the most games by a team in extra innings this season, with 35 losses.
Interpreted as:
MLB team with most losses in extra innings this regular season| TEAM | L | SEASON | W | L% | G | W% | AB | H | 2B | 3B | HR | RBI | BB | HBP | SO | PA | TB | XBH | SH | SF | IBB | AVG | OBP | SLG | OPS | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | Cardinals | 35 | 2025 | 0 | 1.000 | 4 | .000 | 28 | 6 | 1 | 0 | 0 | 6 | 6 | 0 | 8 | 35 | 7 | 1 | 0 | 1 | 3 | .214 | .343 | .250 | .593 |
| 2 |  | Phillies | 19 | 2025 | 8 | .704 | 4 | .296 | 19 | 4 | 1 | 1 | 0 | 6 | 8 | 0 | 4 | 27 | 7 | 2 | 0 | 0 | 2 | .211 | .444 | .368 | .813 |
| 3 |  | Mariners | 18 | 2025 | 23 | .439 | 4 | .561 | 32 | 6 | 1 | 0 | 1 | 8 | 8 | 0 | 9 | 41 | 10 | 2 | 1 | 0 | 1 | .188 | .350 | .313 | .663 |
| 4 |  | Rockies | 16 | 2025 | 0 | 1.000 | 2 | .000 | 9 | 0 | 0 | 0 | 0 | 0 | 6 | 0 | 4 | 16 | 0 | 0 | 1 | 0 | 2 | .000 | .400 | .000 | .400 |
| 5 |  | Pirates | 15 | 2025 | 23 | .395 | 4 | .605 | 28 | 6 | 0 | 0 | 0 | 4 | 10 | 0 | 5 | 38 | 6 | 0 | 0 | 0 | 5 | .214 | .421 | .214 | .635 |
| 6 |  | Blue Jays | 13 | 2025 | 11 | .542 | 4 | .458 | 20 | 2 | 0 | 0 | 0 | 4 | 1 | 0 | 1 | 24 | 2 | 0 | 1 | 2 | 1 | .100 | .130 | .100 | .230 |
| 7 |  | Diamondbacks | 12 | 2025 | 9 | .571 | 3 | .429 | 17 | 4 | 0 | 0 | 0 | 1 | 3 | 0 | 3 | 21 | 4 | 0 | 1 | 0 | 0 | .235 | .350 | .235 | .585 |
| 8 |  | Yankees | 12 | 2025 | 0 | 1.000 | 2 | .000 | 11 | 1 | 0 | 0 | 0 | 0 | 1 | 0 | 4 | 12 | 1 | 0 | 0 | 0 | 1 | .091 | .167 | .091 | .258 |
| 9 |  | Royals | 10 | 2025 | 9 | .526 | 4 | .474 | 14 | 2 | 0 | 0 | 0 | 3 | 3 | 0 | 6 | 19 | 2 | 0 | 1 | 1 | 2 | .143 | .278 | .143 | .421 |
| 10 |  | Tigers | 9 | 2025 | 0 | 1.000 | 2 | .000 | 7 | 1 | 0 | 1 | 0 | 2 | 2 | 0 | 0 | 9 | 3 | 1 | 0 | 0 | 2 | .143 | .333 | .429 | .762 |
| 11 |  | Marlins | 8 | 2025 | 17 | .320 | 3 | .680 | 20 | 6 | 0 | 0 | 0 | 5 | 3 | 0 | 3 | 25 | 6 | 0 | 1 | 1 | 2 | .300 | .375 | .300 | .675 |
| 12 |  | Red Sox | 7 | 2025 | 12 | .368 | 4 | .632 | 13 | 4 | 0 | 0 | 0 | 4 | 4 | 2 | 3 | 19 | 4 | 0 | 0 | 0 | 3 | .308 | .526 | .308 | .834 |
| 13 |  | Cubs | 6 | 2025 | 5 | .545 | 3 | .455 | 11 | 3 | 0 | 1 | 0 | 3 | 0 | 0 | 2 | 11 | 5 | 1 | 0 | 0 | 0 | .273 | .273 | .455 | .727 |
| 14 |  | Reds | 6 | 2025 | 0 | 1.000 | 2 | .000 | 6 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 6 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 |
| 15 |  | White Sox | 4 | 2025 | 0 | 1.000 | 1 | .000 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 2 | 4 | 0 | 0 | 0 | 0 | 0 | .000 | .250 | .000 | .250 |
| 16 |  | Padres | 4 | 2025 | 0 | 1.000 | 1 | .000 | 3 | 0 | 0 | 0 | 0 | 0 | 1 | 0 | 1 | 4 | 0 | 0 | 0 | 0 | 1 | .000 | .250 | .000 | .250 |
| 17 |  | Orioles | 3 | 2025 | 0 | 1.000 | 1 | .000 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 2 | 3 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 |
| 18 |  | Twins | 3 | 2025 | 1 | .750 | 2 | .250 | 4 | 1 | 0 | 0 | 0 | 1 | 0 | 0 | 2 | 4 | 1 | 0 | 0 | 0 | 0 | .250 | .250 | .250 | .500 |
| 19 |  | Mets | 3 | 2025 | 15 | .167 | 3 | .833 | 14 | 4 | 1 | 0 | 0 | 3 | 4 | 0 | 1 | 18 | 5 | 1 | 0 | 0 | 1 | .286 | .444 | .357 | .802 |
| 20 |  | Dodgers | 3 | 2025 | 5 | .375 | 2 | .625 | 8 | 4 | 1 | 0 | 1 | 5 | 0 | 0 | 1 | 8 | 8 | 2 | 0 | 0 | 0 | .500 | .500 | 1.000 | 1.500 |
| 21 |  | Nationals | 3 | 2025 | 0 | 1.000 | 1 | .000 | 3 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 3 | 0 | 0 | 0 | 0 | 0 | .000 | .000 | .000 | .000 |
StatMuse has event-level data for losses going back to the 1974 season.
Some of the information used here was obtained free of charge from Retrosheet.
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MIA 
ATH 
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