Adam Kolarek vs. Andy Sonnanstine — Career Comparison

Andy Sonnanstine built a career as a starting pitcher and Adam Kolarek as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Adam Kolarek posted stronger surface numbers — ERA 3.62 and WHIP 1.292 compared to 5.26 and 1.414 for Andy Sonnanstine. By the career numbers, Adam Kolarek had the better of this cross-role comparison — though era context would sharpen the verdict.