Mike Duvall vs. Dave Patterson — Career Comparison

Looking at the career totals, Mike Duvall and Dave Patterson are fairly close on the surface numbers. Dave Patterson posted stronger numbers in WHIP (1.698 vs 1.863) and home runs allowed (0.85 per nine innings vs 1.06). Mike Duvall had the advantage in ERA (4.76 vs 5.26). By the career numbers, Dave Patterson 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.