| League | Season AVG | Season ERA | Champion | Year | Champion | Season ERA | Season AVG | League |
| Pierce Brosnan League | .276 | 4.16 | Boulder Bunions | 2010 | ||||
| Pierce Brosnan League | .276 | 4.15 | Charleston Windjammers | 2011 | Boulder Bunions | 4.24 | .279 | Bill Paxton League |
| Pierce Brosnan League | .283 | 4.68 | Virginia Opossums | 2012 | Minnesota Monarchs | 5.03 | .289 | Bill Paxton League |
| Pierce Brosnan League | .285 | 4.59 | 2013 | 4.88 | .282 | Bill Paxton League |