Larry Jansen vs. Michael Wacha — Career Comparison

On the career pitching numbers, Larry Jansen posted a stronger line than Michael Wacha. Larry Jansen posted stronger numbers in ERA (3.58 vs 3.89) and WHIP (1.224 vs 1.286). By the career numbers, Larry Jansen 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.