Carlos Guevara vs. Don Welchel — Career Comparison

On the career pitching numbers, Don Welchel posted a stronger line than Carlos Guevara. Don Welchel posted stronger numbers in WHIP (1.677 vs 1.946) and home runs allowed (0.29 per nine innings vs 1.46). By the career numbers, Don Welchel 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.