Bo Belinsky vs. Mark Hamburger — Career Comparison

Bo Belinsky 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. Bo Belinsky posted stronger surface numbers — ERA 4.1 and WHIP 1.434 compared to 4.5 and 1.000 for Mark Hamburger. By the career numbers, Bo Belinsky had the better of this cross-role comparison — though era context would sharpen the verdict.