Cam Booser vs. Bill Irwin — Career Comparison

Looking at the career totals, Cam Booser and Bill Irwin are fairly close on the surface numbers. Cam Booser posted stronger numbers in ERA (4.28 vs 5.82) and WHIP (1.439 vs 1.529). Bill Irwin had the advantage in home runs allowed (1.06 per nine innings vs 1.59). By the career numbers, Cam Booser 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.