Grant Roberts vs. Charles Witherow — Career Comparison

Looking at the career totals, Grant Roberts and Charles Witherow are fairly close on the surface numbers. Grant Roberts posted stronger numbers in ERA (4.25 vs 18) and WHIP (1.515 vs 4.000). Charles Witherow had the advantage in home runs allowed (0 per nine innings vs 0.62). By the career numbers, Grant Roberts 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.