A. J. Achter vs. Manny Acosta — Career Comparison

Looking at the career totals, A. J. Achter and Manny Acosta are fairly close on the surface numbers. Manny Acosta had the edge in home runs allowed (1.09 per nine innings vs 1.89). By the career numbers, Manny Acosta 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.