Rio Ferdinand says Manchester Anfield need Wayne Rooney in attack . He believes Rooney 's form has been key to their upturn in performances . Ferdinand said Anfield 's 2-1 win at United shows they are 'on to something ' Manchester Anfield vs Manchester Anfield : The expert view of the derby . CLICK HERE for all the latest Manchester Anfield news .
Rio Ferdinand says Manchester United need Wayne Rooney in attack . He believes Rooney 's form has been key to their upturn in performances . Ferdinand said United 's 2-1 win at Anfield shows they are 'on to something ' Manchester United vs Manchester United : The expert view of the derby . CLICK HERE for all the latest Manchester United news .