Joba Chamberlain vs. Ethan Martin — Career Comparison

Ethan Martin built a career as a starting pitcher and Joba Chamberlain as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Joba Chamberlain posted stronger surface numbers — ERA 3.81 and WHIP 1.408 compared to 5.93 and 1.682 for Ethan Martin. By the career numbers, Joba Chamberlain had the better of this cross-role comparison — though era context would sharpen the verdict.