Manchester United manager Louis van Gaal confirmed after Sunday's 3-0 loss to Everton that captain and striker Wayne Rooney sustained a knee injury during the match.

Louis van Gaal confirms to #MUTV that Wayne Rooney has a knee injury. "We have to wait and see how heavy (serious) it is." #mufclive — Manchester United (@ManUtd) April 26, 2015

Rooney, who leads the Red Devils with 14 goals on the season, was substituted late in the contest, making way for Robin van Persie to return for the first time in two months after recovering from an ailment of his own.