opinion on most important bullpen stats

[mvalentin]

need opinions

when capping bullpens what do you guys feel are the most important stats

Losses? ERA? Runs? WHIP? TB?

just trying to compile lists every week on top and bottom bullpens but feel that ERA can be misleading at times.

thanks

[Bisket]

retiring first guy faced

strikeouts

WHIP

not letting inherited runners score