Rudy Kallio vs. Zach Plesac — Career Comparison

Looking at the career totals, Rudy Kallio and Zach Plesac are fairly close on the surface numbers. Rudy Kallio posted stronger numbers in ERA (4.17 vs 4.31) and home runs allowed (0 per nine innings vs 1.43). Zach Plesac had the advantage in WHIP (1.239 vs 1.471). By the career numbers, Rudy Kallio 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.