Frank Mack vs. Scott McGregor — Career Comparison

Scott McGregor built a career as a starting pitcher and Frank Mack as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Scott McGregor posted stronger surface numbers — ERA 3.99 and WHIP 1.303 compared to 4.94 and 1.732 for Frank Mack. By the career numbers, Scott McGregor had the better of this cross-role comparison — though era context would sharpen the verdict.