 When they sent me the offer I was really gutted and disappointed and that really let me know in my head that maybe it was time to move on to another club".On 24 June 2013, McCormack signed a two-year contract with Brentford, who had remained in League One after suffering defeat in the 2013 League One play-off Final.He began the 2013–14 season in his natural midfield position, before being moved to right back by manager Uwe Rösler in October, to replace out-of-form Shay Logan.