louis van gaal said this week it could take £60million man angel di maria a year to adapt to life at old trafford   but it took the united boss 59 minutes to decide he had seen enough at st james' park another unconvincing display was brought prematurely to an end moments after di maria flopped a hopeless right wing cross into a visitors' box bereft of team mates but it could have been a different story if di maria   hauled off at half time in saturday's 2 0 win over sunderland   had made his mark inside the opening minute angel di maria trudges off the field after another disappointing performance for manchester united  united's record £60m signing has struggled to adapt after a bright start to his old trafford career  di maria was marshalled out of the game by newcastle midfielder ryan taylor (left) the argentinian was sent clean through after a mistake by home defender mehdi abeid   but he inexplicably hesitated with the goal at his mercy and the chance was lost it was destined to be di maria's best chance of making an impression he was afforded plenty of space on the right flank but worked in fits and starts and was well marshalled by home pair ryan taylor and sammy ameobi when he was too easily robbed in his own half one minute before the interval it sparked a charge upfield from moussa sissoko which ended in a clear cut chance for emmanuel riviere in the visitors' box the argentina international is ushered back to the dug out after being substituted on 59minutes  louis van gaal hauled di maria off early for a second consecutive premier league game  di maria did offer the occasional hint of quality in the second period, not least in the 54th minute when he provided the cross from which marouane fellaini then ashley young brought fine saves out of tim krul but all too often the fickers were extinguished by those lackadaisical losses of possession of inexplicable passes into empty space and shortly after one wasted opportunity too many, di maria was substituted again with the home fans' chants of 'what a waste of money' ringing in his ears ashley young (right) scored the winner as united took their recent run to two losses from the last 22 games  pappis cisse has words with jonny evans after the pair appeared to spit at each other during the game 
manchester united newcastle st james' park angel di maria louis van gaal argentina
manchester united defeated newcastle 1 0 at st james' park  record signing angel di maria was substituted after 59minutes  louis van gaal has claimed argentina star could need a year to adapt 