Phenix Gaston said she asked her son, blue-chip offensive lineman Juan Gaston in the days leading up to Friday night’s announcement, “where we going, where we going?” She says she was going to find out the way the rest of us did and the answer is Georgia. Perhaps she knew by the time of the theatrical announcement where her son took off several different jackets and shirts before donning a Georgia hat representing he was staying home. The schools didn’t know heading into the festivities. The 6-foot-7, 360-pound Gaston declared for UGA the over his other finalists in Tennessee, Oregon and South…