5 teams are tied for losing the most games with 17+ runs in a season, with 1 loss. The first three are the Texas Rangers and the Florida Marlins in 2008 and the Chicago Cubs in 1979.
| TEAM | L | R | SEASON | W | L% | G | W% | AB | H | 2B | 3B | HR | RBI | BB | HBP | SO | SB | CS | PA | TB | XBH | SH | SF | IBB | GIDP | AVG | OBP | SLG | OPS | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | Rangers | 1 | 17 | 2008 | 0 | 1.000 | 1 | .000 | 47 | 20 | 7 | 0 | 1 | 17 | 3 | 1 | 6 | 0 | 0 | 53 | 30 | 8 | 0 | 2 | 0 | 0 | .426 | .453 | .638 | 1.091 |
| 2 |  | Marlins | 1 | 17 | 2008 | 0 | 1.000 | 1 | .000 | 47 | 22 | 7 | 0 | 2 | 17 | 6 | 2 | 4 | 0 | 0 | 56 | 35 | 9 | 1 | 0 | 1 | 1 | .468 | .545 | .745 | 1.290 |
| 3 |  | Cubs | 1 | 22 | 1979 | 0 | 1.000 | 1 | .000 | 56 | 26 | 3 | 1 | 6 | 22 | 3 | 0 | 4 | 0 | 0 | 59 | 49 | 10 | 0 | 0 | 0 | 2 | .464 | .492 | .875 | 1.367 |
| 4 |  | Phillies | 1 | 17 | 1969 | 0 | 1.000 | 1 | .000 | 47 | 21 | 4 | 1 | 3 | 17 | 4 | 0 | 6 | 1 | 0 | 51 | 36 | 8 | 0 | 0 | 1 | 2 | .447 | .490 | .766 | 1.256 |
| 5 |  | Indians | 1 | 17 | 1932 | 0 | 1.000 | 1 | .000 | 83 | 33 | 9 | 0 | 1 | 16 | 10 | 0 | 7 | 1 | 0 | 95 | 45 | 10 | 2 | .398 | .462 | .542 | 1.005 | |||
| 6 | | Phillies | 1 | 23 | 1922 | 0 | 1.000 | 1 | .000 | 52 | 26 | 4 | 2 | 0 | 19 | 11 | 0 | 5 | 1 | 1 | 66 | 34 | 6 | 3 | .500 | .587 | .654 | 1.241 |
StatMuse has team, game-level data for runs going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.
Astros 
Mariners 
Angels 
Rangers 
Athletics 
MIN 
CWS 
Yankees 
Rays 
Tigers 
Mets 
Phillies 
Cubs 
Cardinals 
Dodgers 
Giants 
WSH 
BAL 
BOS 
CIN 
SDP 
ATL 
MIA 
PIT 
CLE 
