Boone Logan vs. Jeff Marquez — Career Comparison

Looking at the career totals, Boone Logan and Jeff Marquez are fairly close on the surface numbers. Boone Logan posted stronger numbers in ERA (4.5 vs 5.4) and home runs allowed (1.12 per nine innings vs 1.8). Jeff Marquez had the advantage in WHIP (1.400 vs 1.550). By the career numbers, Boone Logan 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.