Javier Martinez vs. Nate Robertson — Career Comparison

Nate Robertson built a career as a starting pitcher and Javier Martinez as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Javier Martinez posted stronger surface numbers — ERA 4.83 and WHIP 1.805 compared to 5.01 and 1.493 for Nate Robertson. By the career numbers, Javier Martinez had the better of this cross-role comparison — though era context would sharpen the verdict.