Tony Arnold vs. Tyler Robertson — Career Comparison

Looking at the career totals, Tony Arnold and Tyler Robertson are fairly close on the surface numbers. Tony Arnold posted stronger numbers in ERA (5.06 vs 5.54) and home runs allowed (0.92 per nine innings vs 1.73). Tyler Robertson had the advantage in WHIP (1.500 vs 1.685). 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.