"[He] was the one that changed the game by giving the team, the balance, the intensity, the high pressure, the organisation that the team didn't have until then I think he was fundamental for us".
But after Marcus Rashford's stoppage-time victor, which gave United a 2-1 victory, Jose Mourinho's team now head into a heavyweight week in the Champions League and Premier League on the back of two straight wins.
"We know we're going into a very tough week now but we can come out with some good results and it can be seen as a good month, considering (October) was probably one of our toughest months". This is a run that goes back 21 games in total and his win percentage over English managers is simply outstanding.
José Mourinho was livid with his side's "disastrous" first-half performance and Smalling - who described that 45 minutes as their worst this season - has urged United to eliminate any sloppiness in Turin on Wednesday or risk being punished by the Serie A leaders.
"When he is now much closer to becoming a top player, obviously I would like him to stay". We just need that consistency for the whole game. We didn't start pressing up or doing what we worked on during the week.
In Lukaku's absence, Marcus Rashford, who turned 21 on Wednesday, came off the bench to score a stoppage time victor against Bournemouth. "They were better in the first", Herrera told BT Sport.
The Cherries were by far the better side in the first half and took the lead on 11 minutes through in-form Callum Wilson. I love the song, "attack, attack, attack" but you need to have stability when you lose the ball and we are not showing that.More news: Google employees worldwide walk out of offices against sexual harassment cases
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United were dominant in the second half and should have won the game long before Rashford's victor.
"We were ready for everything, I can't understand the mentality that brings me more white hair!"
"So, Herrera coming on had a big change on the game".
"The good thing is that the team has this face of fantastic character and has heart that the game is never over and they go until the end".
"And with the players we have, we can react. We are doing everything we can to get there, the 28-year-old said".