British TV personality Piers Morgan has trolled Dutch footballer Robin van Persie, whose switch from Arsenal to Manchester United has been a sore point for many, on Twitter after Manchester United beat Crystal Palace on Saturday.
Manchester United emerged from the transfer window with a rich icing and the brightest of cherries to decorate their cake but the suspicion remains that the team's base may crumble under pressure.
Manchester United smashed the British transfer record when they signed Argentina winger Angel Di Maria from Real Madrid for 59.7 million on Tuesday.
Arsenal manager Arsene Wenger announced on Friday that he will step down from his role at the Premier League club at the end of the season after almost 22 years at the helm.