Robert Keys vs. Al Sima — Career Comparison

Looking at the career totals, Robert Keys and Al Sima are fairly close on the surface numbers. Al Sima posted stronger numbers in ERA (4.61 vs 4.8) and WHIP (1.539 vs 1.593). Robert Keys had the advantage in home runs allowed (0.47 per nine innings vs 0.9). By the career numbers, Al Sima 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.