Matt Duff vs. Bob Macdonald — Career Comparison

Looking at the career totals, Matt Duff and Bob Macdonald are fairly close on the surface numbers. Bob Macdonald posted stronger numbers in ERA (4.34 vs 4.76) and WHIP (1.506 vs 2.294). Matt Duff had the advantage in home runs allowed (0 per nine innings vs 1). By the career numbers, Bob Macdonald 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.