 In stoppage time at the end of the game, Diouf scored his first goal for United; after being played in by Antonio Valencia, he looped a header over Burnley goalkeeper Brian Jensen and celebrated with a flip in front of the Stretford End before pointing to the name on the back of his shirt.On 6 August 2010, Diouf signed for Blackburn Rovers on a season-long loan and was handed the number 41 shirt.Diouf made an immediate impact for Blackburn, scoring within 15 minutes after coming on as a substitute for Nick Blackman in a 1–1 pre-season friendly draw against Hearts in Scotland.