 Sacko scored his second goal for Leeds in a 4–1 victory against Preston North End on 26 December 2016.After making 38 league appearances and scoring two goals, he returned to Sporting Lisbon after his loan to Leeds had expired.On 2 June 2017, Sacko signed a permanent deal with Leeds for an undisclosed fee believed to be £1.5 million to take him up until at least the end of the 2019/20 season.