Bob O'Brien vs. Al Tedrow — Career Comparison

Looking at the career totals, Bob O'Brien and Al Tedrow are fairly close on the surface numbers. Al Tedrow posted stronger numbers in ERA (1.21 vs 3) and home runs allowed (0 per nine innings vs 0.86). Bob O'Brien had the advantage in WHIP (1.333 vs 1.478). By the career numbers, Al Tedrow 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.