Steve Foster vs. W. Williams — Career Comparison

Looking at the career totals, Steve Foster and W. Williams are fairly close on the surface numbers. Steve Foster posted stronger numbers in ERA (2.41 vs 6.35) and WHIP (1.193 vs 1.765). W. Williams had the advantage in home runs allowed (0 per nine innings vs 0.6). By the career numbers, Steve Foster 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.