Tim Peterson vs. Doug Sisk — Career Comparison

Looking at the career totals, Tim Peterson and Doug Sisk are fairly close on the surface numbers. Doug Sisk posted stronger numbers in ERA (3.27 vs 5.91) and home runs allowed (0.26 per nine innings vs 2.31). Tim Peterson had the advantage in WHIP (1.457 vs 1.580). By the career numbers, Doug Sisk 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.