Somma was named in a Leeds United squad for the first time since the final day of the 2010–11 season when he was named on the bench for the League Cup tie against Chelsea on 19 December 2012. Somma was also allocated the number 28 shirt for the season. Somma made his first team return as a second-half substitute in Leeds 2-1 victory against Middlesbrough on 22 December. Somma scored his first goal in only his second comeback appearance with a consolation goal in a 4-2 loss against Nottingham Forest on 26 December.