Dennis Burtt vs. Robert Keys — Career Comparison

Looking at the career totals, Dennis Burtt and Robert Keys are fairly close on the surface numbers. Robert Keys posted stronger numbers in ERA (4.8 vs 5.64) and home runs allowed (0.47 per nine innings vs 0.89). Dennis Burtt had the advantage in WHIP (1.253 vs 1.593). By the career numbers, Robert Keys 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.