Lefty Boone vs. Mike Leake — Career Comparison

Looking at the career totals, Lefty Boone and Mike Leake are fairly close on the surface numbers. Mike Leake posted stronger numbers in ERA (4.05 vs 5.87) and WHIP (1.297 vs 1.638). Lefty Boone had the advantage in home runs allowed (0.2 per nine innings vs 1.17). By the career numbers, Mike Leake 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.