Pedro Silva vs. Jen-Ho Tseng — Career Comparison

Looking at the career totals, Pedro Silva and Jen-Ho Tseng are fairly close on the surface numbers. Pedro Silva posted stronger numbers in ERA (7.49 vs 9) and home runs allowed (0.45 per nine innings vs 3.38). Jen-Ho Tseng had the advantage in WHIP (1.375 vs 1.891). By the career numbers, Pedro Silva 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.