Mark Acre vs. Brian Keyser — Career Comparison

On the career pitching numbers, Brian Keyser posted a stronger line than Mark Acre. Brian Keyser posted stronger numbers in ERA (4.97 vs 5.17) and home runs allowed (0.77 per nine innings vs 1.13). By the career numbers, Brian Keyser 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.