Chamberlain was forced off with a hamstring injury in the second half.
As Arsenal enjoy their huge win over Manchester United at Old Trafford for the first time since 2006 to send them to Wembley, Alex Oxlade-Chamberlain took time out and replied to a message sent by England team-mate Luke Shaw on Twitter.
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Sir Alex Ferguson Tells Piers Morgan to ‘F**k Off’ Following Arsenal Win Over Man United
#SorryNotSorry @LukeShaw3 pic.twitter.com/GtuKqtcB34
— Alex Ox-Chamberlain (@Alex_OxChambo) March 10, 2015
Chamberlain looked to be giving Shaw the run around in the first half and the left-back was withdrawn at half-time, presumably due to an injury, with his trash talk before the encounter coming back to haunt him.
Luke Shaw has certainly been given a lesson to only talk after the battle has ended.