Red Oldham vs. Jimmy Serrano — Career Comparison

On the career pitching numbers, Red Oldham posted a stronger line than Jimmy Serrano. Red Oldham posted stronger numbers in ERA (4.15 vs 4.68) and home runs allowed (0.37 per nine innings vs 1.38). By the career numbers, Red Oldham 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.