Si Simmons vs. Esmerling Vasquez — Career Comparison

Looking at the career totals, Si Simmons and Esmerling Vasquez are fairly close on the surface numbers. Esmerling Vasquez posted stronger numbers in ERA (4.86 vs 5.4) and home runs allowed (0.75 per nine innings vs 1.35). Si Simmons had the advantage in WHIP (1.500 vs 1.559). By the career numbers, Esmerling Vasquez 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.