Esteban Loaiza vs. Brian O'Connor — Career Comparison

Esteban Loaiza built a career as a starting pitcher and Brian O'Connor as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Esteban Loaiza posted stronger surface numbers — ERA 4.65 and WHIP 1.427 compared to 5.11 and 1.865 for Brian O'Connor. By the career numbers, Esteban Loaiza had the better of this cross-role comparison — though era context would sharpen the verdict.