Kyle McClellan vs. Jim Peterson — Career Comparison

Looking at the career totals, Kyle McClellan and Jim Peterson are fairly close on the surface numbers. Kyle McClellan posted stronger numbers in ERA (3.79 vs 5.27) and WHIP (1.314 vs 1.665). Jim Peterson had the advantage in home runs allowed (0.74 per nine innings vs 1.05). By the career numbers, Kyle McClellan 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.