Joey Barton ignites war of words with Wayne Rooney in X-rated rant as he labels Man United legend's conspiracy theory about QPR's role in Man City's 2012 title win as 'b****cks'

Barton was on the pitch in QPR colours - for some of the game - on that fateful May day over a decade ago when Roberto Mancini's men won 3-2 at the death ahead of Manchester United.