http://blog.azcardinals.com/2013/07/26/ol-battle-lines-are-drawn/
"Can Potter dislodge Brown? And considering that Massie finished pretty strong last season, the right side should work out well one way or the other. Arians did say he didn’t see flip-flopping sides anymore. That is something for the spring, so that if a player was thrust into a new side as an emergency in a game he’d at least have an idea of how it works. But it isn’t going to be part of training camp."
Does not sound like they got any plan to move Massie to LT
As for the weight Levi lost
Mike Jurecki @mikejurecki
Levi Brown mentioned he was asked to come into camp under 325, actually showed up 324 & is ready to compete at LT. BA said open competition.