Well some guys make good coordinators but lousy head coaches.
IIRC, he's a special assistant to Saban, not a coordinator or assistant head coach. Sounds like a chief of staff, in which case he'll have some administrative power.
Uuuuuuuuuuuuuuuugh.
I think Mularkey is replacing Linehan, and I have no clue what to think of that. I don't know about Mularkey's abilities, but... a Bills coach on the Dolphins staff?