Through 2012, CC Sabathia has a 3.50career earned run average.
Sabathia doesn't have an at-bat song because he's a pitcher. That's what designated hitters are for.
Nolan Ryan had a career ERA of 3.19
Through the 2011 season, Mariano Rivera has a career ERA of 2.21. He also has a career postseason ERA of 0.70.
Andy Pettitte ended his career with a 3.88 ERA.
3.04 ERA
130.
Nolan Ryan has a career ERA of 3.19
2.63
As of 2009 Mariano Rivera has a 2.25 career ERA.
He played his early career with the Cleveland Indians
Doyle Alexander's career ERA was 3.76. He gave up 1406 earned runs in 3367 2/3 innings.
Through the 2008 season, Greg Maddux has a career ERA of 3.16.