Rick Grapenthin vs. Mike Mayers — Career Comparison

Looking at the career totals, Rick Grapenthin and Mike Mayers are fairly close on the surface numbers. Mike Mayers posted stronger numbers in ERA (5.21 vs 6.35) and WHIP (1.443 vs 1.588). Rick Grapenthin had the advantage in home runs allowed (1.32 per nine innings vs 1.61). By the career numbers, Mike Mayers 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.