Manchester United supporters have aired their frustration online after a 'strange' Ralf Rangnick tactic in their FA Cup defeat against Middlesbrough.
Chris Wilder's Championship side beat the Red Devils 8-7 on penalties after the game finished 1-1 on Friday at Old Trafford.
And fans quickly took to social media to question interim manager Rangnick's decision after another chance of a trophy went begging.
More to follow.
