Zac Kristofak vs. Andy Sonnanstine — Career Comparison

Andy Sonnanstine built a career as a starting pitcher and Zac Kristofak as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Zac Kristofak posted stronger surface numbers — ERA 0 and WHIP 2.500 compared to 5.26 and 1.414 for Andy Sonnanstine. By the career numbers, Zac Kristofak had the better of this cross-role comparison — though era context would sharpen the verdict.