Fernando Arroyo vs. Zach McClellan — Career Comparison

Fernando Arroyo built a career as a starting pitcher and Zach McClellan as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Fernando Arroyo posted stronger surface numbers — ERA 4.44 and WHIP 1.423 compared to 5.79 and 1.929 for Zach McClellan. By the career numbers, Fernando Arroyo had the better of this cross-role comparison — though era context would sharpen the verdict.