Cam Booser vs. Simon Castro — Career Comparison

Looking at the career totals, Cam Booser and Simon Castro are fairly close on the surface numbers. Simon Castro posted stronger numbers in WHIP (1.296 vs 1.439) and home runs allowed (1.33 per nine innings vs 1.59). Cam Booser had the advantage in ERA (4.28 vs 4.5). By the career numbers, Simon Castro 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.