Sinclair was kept on by The Canaries during the 2003–04 season but failed to make a single appearance and was only named on the substitute's bench a handful of times. In the summer of 2004 Worthington released Sinclair after 16 months without any first team football.
Sinclair remained employed by The Canaries during the 2003–04 season but failed to make a single appearance and was only listed on the substitute's bench a few times. In the summer of 2004 Worthington let Sinclair go after 16 months without playing any first-team football.