Joe Boyle vs. Gary Serum — Career Comparison

Looking at the career totals, Joe Boyle and Gary Serum are fairly close on the surface numbers. Gary Serum had the edge in ERA (4.72 vs 4.98). By the career numbers, Gary Serum 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.