J. J. Hoover vs. Denny O'Toole — Career Comparison

Looking at the career totals, J. J. Hoover and Denny O'Toole are fairly close on the surface numbers. J. J. Hoover posted stronger numbers in ERA (4.17 vs 5.04) and WHIP (1.396 vs 1.747). Denny O'Toole had the advantage in home runs allowed (0.89 per nine innings vs 1.42). By the career numbers, J. J. Hoover 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.