Joe Rogalski vs. Efrain Valdez — Career Comparison

Looking at the career totals, Joe Rogalski and Efrain Valdez are fairly close on the surface numbers. Joe Rogalski posted stronger numbers in ERA (2.57 vs 2.91) and home runs allowed (0 per nine innings vs 1.06). Efrain Valdez had the advantage in WHIP (1.588 vs 1.714). By the career numbers, Joe Rogalski 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.