Fan Arrested After Leaving Child, 11, In Hotel To Celebrate Boro's Win Over Man United
Greater Manchester Police Stretford say the father is being questioned on suspicion of child neglect.
Their statement says he 'chose to leave his child in the hotel' while he went into town to drink.
Officers looked after the child while the 'unhappy' mother travelled down from the North East to collect them.
On Twitter, GMP Stretford wrote: "'Boro away fan arrested for child neglect last night, after choosing to leave his 11yr child in the hotel after the game whilst he went into town celebrating their victory drinking.
"We have looked after the child with an unhappy mum on her way down from N/East to collect him."
The game ended 1-1, with Chris Wilder's team securing a spot in the next round after an 8-7 shootout victory.
Speaking after claiming a huge FA Cup scalp, Wilder said: "The FA Cup is alive and kicking, especially in Middlesbrough. I told the players it was all about making memories.
"We rode our luck and took our chances. The decisions that are made through VAR have changed since I left the Premier League - I thought straight away it was handball. I thought it would be chalked out and delighted it wasn't.
"You saw tonight we've got plenty of character and bottle in there which you need.
"We were delighted to take it deep. To take it to penalties is no mean feat for us against the likes of Manchester United."
The Boro boss added: "When their team sheet come out, you see straight away how much they respect the competition and us. That was a really strong Manchester United side out there.
"We rode our luck at times, as you have to. You always understand that when you come here, and they've got the players they have on show, they're always going to create a lot of chances.
"I was delighted we were only 1-0 down at