Sean Doolittle vs. Bill Sweeney — Career Comparison

Looking at the career totals, Sean Doolittle and Bill Sweeney are fairly close on the surface numbers. Bill Sweeney posted stronger numbers in ERA (2.67 vs 3.2) and home runs allowed (0.22 per nine innings vs 0.96). Sean Doolittle had the advantage in WHIP (1.045 vs 1.153). By the career numbers, Bill Sweeney 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.