Manchester United say they are "disgusted" after Axel Tuanzebe and Anthony Martial were racially abused on social media by "mindless idiots" after Wednesday's loss to Sheffield United.
United midfielder Scott McTominay wrote that he was "disgusted with what I have read this morning".
Club captain Harry Maguire added: "United against racism. We will not tolerate it."
Former United defender Rio Ferdinand called it a "disgrace", adding: "These ignorant idiots need to be exposed so everyone can see them for what they are."
In a statement, the club said: "Everyone at Manchester United is disgusted by the racial abuse received by players via social media after last night's game.