cutting to 155 he can't do and won't.
if it were possible atthis point in his career, he'd be taking on a division that is quicker, and when your getting older like hughes, the first thing that goes and becomes apparent when your getting older, is your quickness. He also would have to deal with Penn, whose better to fight at 155 and would beat Hughes.
I said this before, Hughes said he has 2 or 3 fights left in him.
If its 2 fights, than a fight with Serra and a fight with Penn are his 2 must fights.
If Hughes thinks he can fight a little longer, and moves to Middleweight, a move results in Hughes getting a fight and if he wins, likely faces the champion imo, not staying i think he'd deserve it however i'm sure he wouldn't have to win 3 fights at mw to get a title shot.
This is what i want to see. He fights Serra when Serra loses. He wins he moves to mw, fights whoever in a number 1 contender fight. If he keeps winning he could retire on top however, if he loses a mw fight, than he could always drop and fight BJ Penn at 170, for his last fight, win or lose i'd see him retiring than.