Piers Morgan takes a dig at Robin van Persie on Twitter post Manchester United's win

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.

Van Persie, who had scored his side's first goal of the game from the penalty spot during the Barclays Premier League match, posted a picture of his goal celebration on the social media site and tweeted 'Good win', Metro.co.uk reported.

Later, Morgan retweeted Van Persie's post, adding that Man U was still 14pts behind Arsenal. 

Here is the tweet,

6th, 14pts behind Arsenal, congrats > RT @Persie_Official Good win today pic.twitter.com/fvdUOIvgiH

— Piers Morgan (@piersmorgan) February 22, 2014