Andy Carter vs. Sandy Rosario — Career Comparison

Looking at the career totals, Andy Carter and Sandy Rosario are fairly close on the surface numbers. Andy Carter posted stronger numbers in ERA (4.75 vs 4.93) and WHIP (1.320 vs 1.784). Sandy Rosario had the advantage in home runs allowed (0.55 per nine innings vs 1.73). By the career numbers, Andy Carter 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.