Career
He plays as a midfielder. Diallo signed with Standard Liège in 2014, joining from K.A.S. Eupen. Previously he has been formed with the Aspire Academy in Qatar.
Then K.V.C. Westerlo signed Diallo on a one year loan deal.
He made his Belgian Pro League debut with Westerlo at 19 October 2014 against K.R.C. Genk in a 3-1 away defeat. He replaced Christian Dorda after 86 minutes.