Tom Borland vs. John Perkovich — Career Comparison

Looking at the career totals, Tom Borland and John Perkovich are fairly close on the surface numbers. Tom Borland posted stronger numbers in ERA (6.75 vs 7.2) and home runs allowed (0.69 per nine innings vs 5.4). John Perkovich had the advantage in WHIP (1.600 vs 1.865). By the career numbers, Tom Borland 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.