Mark DiFelice vs. Mike Willis — Career Comparison

Looking at the career totals, Mark DiFelice and Mike Willis are fairly close on the surface numbers. Mark DiFelice posted stronger numbers in ERA (3.79 vs 4.59) and WHIP (1.303 vs 1.524). Mike Willis had the advantage in home runs allowed (1.09 per nine innings vs 1.34). By the career numbers, Mark DiFelice 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.