Onan Masaoka vs. Ken Polivka — Career Comparison

Looking at the career totals, Onan Masaoka and Ken Polivka are fairly close on the surface numbers. Ken Polivka posted stronger numbers in ERA (3 vs 4.23) and home runs allowed (0 per nine innings vs 0.96). Onan Masaoka had the advantage in WHIP (1.537 vs 2.000). By the career numbers, Ken Polivka 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.