Carlos Marmol vs. Al Pratt — Career Comparison

Al Pratt built a career as a starting pitcher and Carlos Marmol as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Carlos Marmol posted stronger surface numbers — ERA 3.57 and WHIP 1.390 compared to 4.41 and 1.535 for Al Pratt. By the career numbers, Carlos Marmol had the better of this cross-role comparison — though era context would sharpen the verdict.