Dana White just announced 5 finalists in a fan contest. Weigh ins are about to begin! Prelims David Mitchell is 171. Mike Pierce is 171. Brian Melancon is 170. Seth Baczymski is 170. Rafaello Oliveira is 155. Edson Barboza is 155. Dave Herman is 242. Gabriel Gonzaga is 262. Kazuki Tokudome is 155. Norman Parke…