 He scored a hat-trick against Mons on 8 February in his next game for the club, ending with 7 goals in 11 games for the club.On 2 August 2014, Al Shabab Saudi Arabian King Cup 2014 winner announced signing Diagne on loan until June 2015.Diagne made his first debut against Al Nassr FC on 7 August 2014 at Saudi Super Cup as substitute and played the last 17 minutes of the second half and 30 minutes of extra-time.