to be fair, thats not the best comparison, because Phillips has always been a significantly better coordinator than head coach. Also Sparano hasn't ever really been an OC before. Back in Dallas when he was calling plays, he was in charge of the running game and Haley was in charge of the passing game.
I'm not the biggest Greene fan but I think he'll be okay for us this year. Won't set the record books on fire but he'll do his job.
Suck on that Wade Phillips was a Defensive Coordinator before last year? I don't understand your post.