Nardi Contreras vs. George Mack — Career Comparison

George Mack built a career as a starting pitcher and Nardi Contreras as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Nardi Contreras posted stronger surface numbers — ERA 5.93 and WHIP 1.976 compared to 7.19 and 1.890 for George Mack. By the career numbers, Nardi Contreras had the better of this cross-role comparison — though era context would sharpen the verdict.