Larry Jaster vs. Don Kaiser — Career Comparison

Looking at the career totals, Larry Jaster and Don Kaiser are fairly close on the surface numbers. Larry Jaster posted stronger numbers in ERA (3.64 vs 4.15) and WHIP (1.303 vs 1.458). Don Kaiser had the advantage in home runs allowed (0.79 per nine innings vs 1.04). By the career numbers, Larry Jaster 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.