Wand vs. Sonnen would draw well, that is the UFC's main concern... but it really doesnt make sense...
Sonnen calls out Machida, he fights Brain Stann...
Sonnen calls out Jones, he fights Wand...
It came up several times on yesterday's conference call as to why Dana didnt look to make Jones vs. Sonnen for the 152 card... and his response was that Chael didnt have enough time to train... Almost a month, but he criticized Jones for not taking a fight on 8 days notice...

Vitor had only started camp that week.
I see it as the UFC trying to protect Sonnen, or atleast get him a title shot without risking him getting merked on his way up there. They know he doesnt do well against the better LHW's.