John Slagle vs. Mike Willis — Career Comparison

Looking at the career totals, John Slagle and Mike Willis are fairly close on the surface numbers. John Slagle posted stronger numbers in ERA (0 vs 4.59) and home runs allowed (0 per nine innings vs 1.09). Mike Willis had the advantage in WHIP (1.524 vs 3.000). By the career numbers, John Slagle 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.