Arsenal manager Mikel Arteta was left disappointed from his team’s performance in their FA Cup tie against Manchester United.

Arsenal were given advantage after United defender Diego Dalot was sent off early in the second half.

But the Manchester club endured till the full time whistle and went on the take the game to penalties after extra time ended without a goal.United capitalized on Kai Harvertz’s penalty miss and scored all five, sending Arsenal home.

Reacting to the game, Arteta said, “It’s UNBELIEVABLE that we did not win that game against Man United”.

“You measure the performance and what we did in relation to the position, you-know, you deserve to win the game BY A MILE”.