Mark Hamburger vs. Dave Leiper — Career Comparison

Looking at the career totals, Mark Hamburger and Dave Leiper are fairly close on the surface numbers. Mark Hamburger posted stronger numbers in WHIP (1.000 vs 1.486) and home runs allowed (0 per nine innings vs 0.81). Dave Leiper had the advantage in ERA (3.98 vs 4.5). By the career numbers, Mark Hamburger 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.