Scott Fredrickson vs. Duane Theiss — Career Comparison

Looking at the career totals, Scott Fredrickson and Duane Theiss are fairly close on the surface numbers. Duane Theiss posted stronger numbers in ERA (5.33 vs 6.21) and home runs allowed (0.33 per nine innings vs 0.93). Scott Fredrickson had the advantage in WHIP (1.793 vs 1.963). By the career numbers, Duane Theiss 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.