Dan Haren vs. Luke Putkonen — Career Comparison

Dan Haren built a career as a starting pitcher and Luke Putkonen as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Dan Haren posted stronger surface numbers — ERA 3.75 and WHIP 1.197 compared to 4.66 and 1.552 for Luke Putkonen. By the career numbers, Dan Haren had the better of this cross-role comparison — though era context would sharpen the verdict.