Since 1990, the Baltimore Orioles and the Colorado Rockies are tied for the most games pitched when allowing 23+ runs, with 4 games.
Interpreted as:
teams with most regular-season games allowing 23 or more runs since 1990| TEAM | G | R | 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 |  | Orioles | 4 | 103 | .000 | 0 | 4 | 26.49 | 23 | 0 | 0 | 35.0 | 98 | 103 | 20 | 34 | 3 | 0 | 236 | 3 | 5.91 | 8.74 | 0.68 | 5.14 | 9.7 | 14.4 | 3.77 | .500 | 26.49 | 25.20 |
| 2 |  | Rockies | 4 | 98 | .000 | 0 | 4 | 24.00 | 25 | 0 | 0 | 36.0 | 110 | 96 | 18 | 26 | 2 | 1 | 242 | 3 | 6.25 | 6.50 | 0.96 | 4.50 | 10.3 | 10.7 | 3.78 | .538 | 24.50 | 27.50 |
| 3 |  | Mets | 2 | 48 | .000 | 0 | 2 | 26.44 | 12 | 0 | 0 | 16.0 | 49 | 47 | 12 | 14 | 1 | 4 | 113 | 3 | 6.75 | 7.88 | 0.86 | 6.75 | 10.6 | 12.4 | 3.94 | .500 | 27.00 | 27.56 |
| 4 |  | Marlins | 2 | 54 | .000 | 0 | 2 | 29.25 | 16 | 0 | 0 | 16.0 | 51 | 52 | 10 | 16 | 2 | 0 | 115 | 0 | 9.00 | 9.00 | 1.00 | 5.63 | 13.9 | 13.9 | 4.19 | .577 | 30.38 | 28.69 |
| 5 |  | Tigers | 2 | 50 | .000 | 0 | 2 | 22.50 | 11 | 0 | 0 | 18.0 | 45 | 45 | 4 | 20 | 1 | 1 | 122 | 1 | 5.50 | 10.00 | 0.55 | 2.00 | 9.0 | 16.4 | 3.61 | .477 | 25.00 | 22.50 |
| 6 |  | Red Sox | 1 | 28 | .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 |
| 7 |  | Nationals | 1 | 24 | .000 | 0 | 1 | 21.00 | 7 | 0 | 0 | 9.0 | 22 | 21 | 5 | 9 | 0 | 0 | 60 | 0 | 7.00 | 9.00 | 0.78 | 5.00 | 11.7 | 15.0 | 3.44 | .436 | 24.00 | 22.00 |
| 8 |  | Phillies | 1 | 24 | .000 | 0 | 1 | 13.00 | 5 | 0 | 0 | 9.0 | 25 | 13 | 3 | 7 | 1 | 1 | 61 | 1 | 5.00 | 7.00 | 0.71 | 3.00 | 8.2 | 11.5 | 3.56 | .489 | 24.00 | 25.00 |
| 9 |  | Indians | 1 | 23 | .000 | 0 | 1 | 24.75 | 4 | 0 | 0 | 8.0 | 25 | 22 | 3 | 7 | 0 | 1 | 57 | 2 | 4.50 | 7.88 | 0.57 | 3.38 | 7.0 | 12.3 | 4.00 | .512 | 25.88 | 28.13 |
| 10 |  | Rangers | 1 | 23 | .000 | 0 | 1 | 25.88 | 10 | 0 | 0 | 8.0 | 24 | 23 | 4 | 10 | 0 | 0 | 58 | 1 | 11.25 | 11.25 | 1.00 | 4.50 | 17.2 | 17.2 | 4.25 | .588 | 25.88 | 27.00 |
| 11 |  | Blue Jays | 1 | 23 | .000 | 0 | 1 | 11.25 | 5 | 0 | 0 | 8.0 | 23 | 10 | 3 | 5 | 1 | 0 | 54 | 0 | 5.63 | 5.63 | 1.00 | 3.38 | 9.3 | 9.3 | 3.50 | .500 | 25.88 | 25.88 |
| 12 |  | Braves | 1 | 23 | .000 | 0 | 1 | 21.00 | 9 | 0 | 0 | 9.0 | 27 | 21 | 3 | 1 | 1 | 0 | 57 | 0 | 9.00 | 1.00 | 9.00 | 3.00 | 15.8 | 1.8 | 3.11 | .558 | 23.00 | 27.00 |
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 
Rays 
Blue Jays 
Red Sox 
Orioles 
TEX 
ATL 
Phillies 
Mets 
Cubs 
Brewers 
Dodgers 
Padres 
Tigers 
Guardians 
Astros 
Mariners 
CIN 
LAA 
STL 
PIT 
ATH 
