By Tom Gott The agent of centre-back Mikayil Faye has claimed he rejected the chance to join Manchester United when he left Barcelona this summer. The highly rated Faye never actually played a senior minute for Barcelona but was regularly tipped for a bright future, and it was French side Rennes who won the race for his signature after striking a deal worth a reported €12m. However, Faye’s agent has now revealed Rennes had to fend off competition from United, who failed to convince the 20-year-old that moving to Old Trafford would help his career progress at this stage. “Manchester United were…