Don Dennis vs. John Glaiser — Career Comparison

Looking at the career totals, Don Dennis and John Glaiser are fairly close on the surface numbers. Don Dennis posted stronger numbers in ERA (3.69 vs 4.91) and WHIP (1.517 vs 1.568). John Glaiser had the advantage in home runs allowed (0.61 per nine innings vs 0.86). By the career numbers, Don Dennis 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.