Five years ago today, Luke Rockhold picked up a win that changed the trajectory of his entire career. Rockhold already had experienced plenty of success. He was Strikeforce’s final middleweight champion before that promotion merged with the UFC in 2013, and he had a nine-fight winning streak by the time he made his UFC debut in May 2013. In that first UFC fight, he was knocked out by a spinning heel kick from Vitor Belfort in Brazil. It was not the start he was looking for. Seven months later, though, on Jan.