Andy O'Connor vs. Matt Palmer — Career Comparison

Looking at the career totals, Andy O'Connor and Matt Palmer are fairly close on the surface numbers. Matt Palmer posted stronger numbers in ERA (4.56 vs 10.13) and WHIP (1.505 vs 2.750). Andy O'Connor had the advantage in home runs allowed (0 per nine innings vs 0.73). By the career numbers, Matt Palmer 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.