William Parson vs. Tony Santillan — Career Comparison

Looking at the career totals, William Parson and Tony Santillan are fairly close on the surface numbers. Tony Santillan posted stronger numbers in ERA (3.02 vs 4.92) and WHIP (1.253 vs 1.856). William Parson had the advantage in home runs allowed (0.6 per nine innings vs 1.01). By the career numbers, Tony Santillan 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.