Francis Beltran vs. Mike Jerzembeck — Career Comparison

Mike Jerzembeck built a career as a starting pitcher and Francis Beltran as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Francis Beltran posted stronger surface numbers — ERA 5.69 and WHIP 1.695 compared to 12.79 and 2.053 for Mike Jerzembeck. By the career numbers, Francis Beltran had the better of this cross-role comparison — though era context would sharpen the verdict.