Following Manchester United's 3-1 defeat at bitter rivals Liverpool, Roy Keane described them as being no better than "average".
After being named manager, Mick McCarthy confirmed he would be speaking to Declan Rice about his future as a Republic of Ireland player.
Republic of Ireland were relegated in the Nations League, and Martin O'Neill has subsequently opted to step down as manager.
Former Manchester United captain Roy Keane demanded the squad give their all on the pitch in a scathing assessment of the club's situation.
Republic of Ireland manager Martin O'Neill was asked about the row between Harry Arter and Roy Keane after his side's draw with Poland.
Martin O'Neill has sought to ease tension around the Republic of Ireland squad in the wake of Roy Keane and Harry Arter's alleged row.