Nino Espinosa vs. George Rettger — Career Comparison

Nino Espinosa built a career as a starting pitcher and George Rettger as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. George Rettger posted stronger surface numbers — ERA 3.67 and WHIP 1.554 compared to 4.17 and 1.398 for Nino Espinosa. By the career numbers, George Rettger had the better of this cross-role comparison — though era context would sharpen the verdict.