The former UFC heavyweight champion shared an update on his shoulder and how he was feeling following a disappointing end to a promising first fight outside the UFC. Junior dos Santos’ post-UFC career got off to a bumpy start at Eagle FC 47 on Friday night when he dislocated his shoulder in a fight against Yorgan De Castro. The incident, which resulted in the fight ending via TKO (injury) at 0:35 of the third round, was unfortunate as dos Santos was looking pretty good in the cage up until that point (watch the highlights here). Extra unfortunate is how the…