 He scored twice for Leeds in the club's 2–2 draw against Crystal Palace at Selhurst Park on 9 March.The two goals proved to be Morison's last of the season; he scored three goals in 16 appearances during the second half of the 2012–13 campaign.Just a day after returning for pre-season training with Leeds, on 28 June 2013, Morison joined former club Millwall, also of the Championship, on a season-long loan deal.