Mark Hamburger vs. Mike O'Connor — Career Comparison

Mike O'Connor built a career as a starting pitcher and Mark Hamburger as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Mark Hamburger posted stronger surface numbers — ERA 4.5 and WHIP 1.000 compared to 5.3 and 1.459 for Mike O'Connor. By the career numbers, Mark Hamburger had the better of this cross-role comparison — though era context would sharpen the verdict.