John Lannan vs. Steve Roser — Career Comparison

John Lannan built a career as a starting pitcher and Steve Roser as a reliever — different jobs with different demands — but on the metrics that apply to both, a comparison is still worth making. Steve Roser posted stronger surface numbers — ERA 4.04 and WHIP 1.413 compared to 4.18 and 1.454 for John Lannan. By the career numbers, Steve Roser had the better of this cross-role comparison — though era context would sharpen the verdict.