Tom Metcalf vs. Zack Weiss — Career Comparison

On the career pitching numbers, Tom Metcalf posted a stronger line than Zack Weiss. Tom Metcalf posted stronger numbers in ERA (2.77 vs 4.61) and home runs allowed (0.69 per nine innings vs 2.63). By the career numbers, Tom Metcalf 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.