Al Aber vs. Alex Singleton — Career Comparison

Looking at the career totals, Al Aber and Alex Singleton are fairly close on the surface numbers. Al Aber posted stronger numbers in ERA (4.18 vs 6.75) and WHIP (1.459 vs 2.250). Alex Singleton had the advantage in home runs allowed (0 per nine innings vs 0.67). By the career numbers, Al Aber 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.