Mike Duvall vs. Steve Shields — Career Comparison

Looking at the career totals, Mike Duvall and Steve Shields are fairly close on the surface numbers. Mike Duvall posted stronger numbers in ERA (4.76 vs 5.26) and home runs allowed (1.06 per nine innings vs 1.32). Steve Shields had the advantage in WHIP (1.703 vs 1.863). By the career numbers, Mike Duvall 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.