Manny Aybar vs. Ken Polivka — Career Comparison

Looking at the career totals, Manny Aybar and Ken Polivka are fairly close on the surface numbers. Ken Polivka posted stronger numbers in ERA (3 vs 5.11) and home runs allowed (0 per nine innings vs 1.13). Manny Aybar had the advantage in WHIP (1.522 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.