Michael Driscoll vs. Unknown Nelson — Career Comparison

On the career pitching numbers, Michael Driscoll posted a stronger line than Unknown Nelson. Michael Driscoll posted stronger numbers in ERA (5.4 vs 9) and WHIP (1.600 vs 2.000). By the career numbers, Michael Driscoll 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.