Jay Baller vs. William Parson — Career Comparison

Looking at the career totals, Jay Baller and William Parson are fairly close on the surface numbers. William Parson posted stronger numbers in ERA (4.92 vs 5.24) and home runs allowed (0.6 per nine innings vs 1.5). Jay Baller had the advantage in WHIP (1.676 vs 1.856). By the career numbers, William Parson 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.