Monroe is something of an Okafor-type, but is paid far more and has a lower ceiling. If he's cheap to get...Horford can offset some of his weaknesses (defense+range most notably) and he'd give us interior scoring, rebounding, and excellent durability, which we could use some of up front. Plus he's an underrated passer, something Stevens could probably utilize better than his prior teams.
If he's going to bail this offseason and the price is low, I think it's worth a shot, we could employ him fairly well here. Problem is it's almost impossible to say that both those things are true.