Jack McMahan vs. Scott Olsen — Career Comparison

Looking at the career totals, Jack McMahan and Scott Olsen are fairly close on the surface numbers. Scott Olsen posted stronger numbers in ERA (4.85 vs 5.04) and WHIP (1.512 vs 1.693). Jack McMahan had the advantage in home runs allowed (0.96 per nine innings vs 1.34). By the career numbers, Scott Olsen 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.