The Boston Red Sox and the Philadelphia Phillies are tied for the most games pitched with exactly 28 runs allowed in a season, with 1 game.
| TEAM | G | R | SEASON | W% | W | L | ERA | SO | SHO | SV | IP | H | ER | HR | BB | HBP | IBB | TBF | WP | K/9 | BB/9 | K/BB | HR/9 | K% | BB% | WHIP | BABIP | RA | H/9 | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 |  | Red Sox | 1 | 28 | 2022 | .000 | 0 | 1 | 27.00 | 9 | 0 | 0 | 9.0 | 29 | 27 | 5 | 5 | 1 | 0 | 63 | 2 | 9.00 | 5.00 | 1.80 | 5.00 | 14.3 | 7.9 | 3.78 | .558 | 28.00 | 29.00 |
| 2 |  | Phillies | 1 | 28 | 1929 | .000 | 0 | 1 | 0.00 | 1 | 0 | 0 | 9.0 | 28 | 0 | 2 | 9 | 1 | 65 | 0 | 1.00 | 9.00 | 0.11 | 2.00 | 1.5 | 13.8 | 4.11 | .500 | 28.00 | 28.00 |
StatMuse has team, game-level data for runs allowed going back to the 1901 season.
Some of the information used here was obtained free of charge from Retrosheet.
Yankees 
Blue Jays 
Rays 
Red Sox 
Orioles 
Tigers 
Twins 
Astros 
Mariners 
Mets 
Phillies 
Cubs 
Cardinals 
Dodgers 
Padres 
MIA 
LAA 
ATH 
PIT 
WSH 
CLE 
AZ 
ATL 
