This is also the thing with Pitchford, he's not really an inside guy. Hammond may not have shined, but he now has a year of being in college under his belt. That actually means something to most guys coming out of high school. Hammond wasn't a physical kid coming in and needed some maturing. Let him get focused on the weight room another offseason and he might surprise. I don't think adding the potential new guy would be predicated on getting rid of Hammond. The BIG has enough size and depth on teams to need to have at least 2-3 bigs on the roster.
Your point about Petteways 3's is valid, but you have to add in his are not generally in that perfect spot up mode after some good ball movement. I love it when you see the guy catch the swing pass and have defenders off so far they actually get to breath and getting a good shooting position. Too often Petteway is launching a 3 with someone in his face...which is not his shot.