John Thornton vs. Ron Willis — Career Comparison

Looking at the career totals, John Thornton and Ron Willis are fairly close on the surface numbers. John Thornton posted stronger numbers in WHIP (1.486 vs 1.544) and home runs allowed (0.12 per nine innings vs 0.57). Ron Willis had the advantage in ERA (3.32 vs 4.1). By the career numbers, John Thornton 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.