John Firth vs. Marshall Renfroe — Career Comparison

Marshall Renfroe built a career as a starting pitcher and John Firth as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. John Firth posted stronger surface numbers — ERA 8 and WHIP 2.111 compared to 27 and 3.000 for Marshall Renfroe. By the career numbers, John Firth had the better of this cross-role comparison — though era context would sharpen the verdict.