 Complete the following phrase:  The signing of Nemanja Vidić in January 2006, who would go on to forge a highly successful partnership with Rio Ferdid, along with Browns continuing injury problems, meant the defender continued to struggle to hold down a place in Uniteds starting line-up. In the 200708 season, however, Brown established himself as the clubs first-choice right-back. He ended the season by assisting Cristiano Ronaldos goal in the 