Mark Hamburger vs. John Littlefield — Career Comparison

Looking at the career totals, Mark Hamburger and John Littlefield are fairly close on the surface numbers. Mark Hamburger posted stronger numbers in WHIP (1.000 vs 1.431) and home runs allowed (0 per nine innings vs 0.48). John Littlefield had the advantage in ERA (3.39 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.