Stats from 1990 through 2013
| Franchise history - Worst ERA |
|
Rk |
Franchise Name |
Totals |
| 1 | Airmax | 4.80 |
| 2 | Outbreak | 4.59 |
| 3 | Bombers | 4.59 |
| 4 | Bullies | 4.57 |
| 5 | Pilots | 4.57 |
| 6 | Hitmen | 4.48 |
| 7 | Mudhens | 4.46 |
| 8 | Pine Tar | 4.43 |
| 9 | Dirtbags | 4.42 |
| 10 | Bockboys | 4.40 |
| 11 | Master Batters | 4.39 |
| 12 | Furies | 4.35 |
| 13 | 8th Wonder | 4.35 |
| 14 | White Walkers | 4.32 |
| 15 | Stampede | 4.29 |
| 16 | Hammerheads | 4.28 |
| 17 | Carriers | 4.18 |
| 18 | Jabronies | 4.16 |
| 19 | Knights | 4.16 |
| 20 | Ninjas | 4.15 |
| 21 | Roosters | 4.14 |
| 22 | Expros | 4.09 |
| 23 | Outlaws | 4.09 |
| 24 | Tuataras | 4.00 |
| 25 | Rangers | 3.90 |
| Team Single Season - Worst ERA |
|
Rk |
Player Name |
|
Totals |
Year |
| 1 | Hammerheads | | 6.63 | 2018 |
| 2 | Wimpslayers | | 6.62 | 1994 |
| 3 | Aces | | 6.45 | 1994 |
| 4 | Bratwursts | | 6.37 | 1994 |
| 5 | Minutemen | | 6.33 | 1994 |
| 6 | Carriers | | 6.15 | 1994 |
| 7 | Sled Dogs | | 6.10 | 1994 |
| 8 | Baseball Furies | | 6.01 | 2017 |
| 9 | Airmax | | 5.96 | 2025 |
| 10 | Seafarers | | 5.85 | 1995 |
| 11 | Bockboys | | 5.82 | 1994 |
| 12 | Outbreak | | 5.77 | 2001 |
| 13 | Microbrewers | | 5.75 | 1994 |
| 14 | Hitmen | | 5.74 | 2005 |
| 15 | Airmax | | 5.73 | 2003 |
| 16 | Bockboys | | 5.70 | 2000 |
| 17 | Dirtbags | | 5.69 | 2020 |
| 18 | Jersey Jews | | 5.64 | 2000 |
| 19 | Bombers | | 5.58 | 2009 |
| 20 | Hitmen | | 5.55 | 2007 |
| 21 | Airmax | | 5.55 | 2021 |
| 22 | Fireflies | | 5.54 | 1994 |
| 23 | Crazy Legs | | 5.54 | 2007 |
| 24 | Bombers | | 5.54 | 2007 |
| 25 | Airmax | | 5.53 | 2007 |
| 26 | Power | | 5.53 | 2018 |
| 27 | Mudhens | | 5.53 | 2020 |
| 28 | Baseball Furies | | 5.52 | 2012 |
| 29 | Winners | | 5.50 | 2015 |
| 30 | Baseball Furies | | 5.49 | 2019 |
| 31 | Damage Inc | | 5.48 | 2001 |
| 32 | White Walkers | | 5.48 | 2020 |
| 33 | Weasels | | 5.47 | 1990 |
| 34 | Stompers | | 5.47 | 2004 |
| 35 | Bratwursts | | 5.46 | 1991 |