Kris Keller vs. Jerrod Riggan — Career Comparison

On the career pitching numbers, Jerrod Riggan posted a stronger line than Kris Keller. Jerrod Riggan posted stronger numbers in ERA (5.19 vs 27) and WHIP (1.835 vs 5.000). By the career numbers, Jerrod Riggan had the better of this comparison — though ERA and WHIP alone don't account for era, park factors, or the defenses each pitcher worked behind.