Edwin Diaz vs. Dave Haas — Career Comparison

Dave Haas built a career as a starting pitcher and Edwin Diaz as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Edwin Diaz posted stronger surface numbers — ERA 2.82 and WHIP 1.053 compared to 4.84 and 1.654 for Dave Haas. By the career numbers, Edwin Diaz had the better of this cross-role comparison — though era context would sharpen the verdict.