Brian Keyser vs. Mike Regan — Career Comparison

Mike Regan built a career as a starting pitcher and Brian Keyser as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Mike Regan posted stronger surface numbers — ERA 2.84 and WHIP 1.260 compared to 4.97 and 1.684 for Brian Keyser. By the career numbers, Mike Regan had the better of this cross-role comparison — though era context would sharpen the verdict.