Tony Arnold vs. Rafael Montalvo — Career Comparison

Looking at the career totals, Tony Arnold and Rafael Montalvo are fairly close on the surface numbers. Tony Arnold posted stronger numbers in ERA (5.06 vs 9) and WHIP (1.685 vs 3.000). Rafael Montalvo had the advantage in home runs allowed (0 per nine innings vs 0.92). By the career numbers, Tony Arnold 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.