William Parson vs. Bill Sayles — Career Comparison

Looking at the career totals, William Parson and Bill Sayles are fairly close on the surface numbers. Bill Sayles posted stronger numbers in WHIP (1.691 vs 1.856) and home runs allowed (0.23 per nine innings vs 0.6). William Parson had the advantage in ERA (4.92 vs 5.61). By the career numbers, Bill Sayles 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.