Doug Fister vs. John Nelson — Career Comparison

On the career pitching numbers, Doug Fister posted a stronger line than John Nelson. Doug Fister posted stronger numbers in WHIP (1.267 vs 1.671) and home runs allowed (0.89 per nine innings vs 1.59). By the career numbers, Doug Fister 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.