When you are chasing the title and you lose at home, like Chelsea did on Saturday, then you want the chance to respond straight away and prove it was a blip.
Manchester United dropped four points in their games against West Brom and Everton, and slipped back down to sixth position.
Chelsea, Tottenham, Liverpool and Manchester City now make up the top four as the race for Champions League qualification reaches its climax.
Bayern Munich striker ROBERT LEWANDOWSKI is also on Mourinho's radar as he looks to boost United's strikeforce, according to the Daily Express.
Jesse Lingard has committed his future to Manchester United by signing a new long-term deal at Old Trafford.
I don't see Arsenal finishing in the top four, unfortunately. In football it doesn't work like that - you have to be ruthless. Palace's defending was just brilliant and their whole team played to their maximum.
Lingard has been clutch in United's last three finals as he scored an extra time victor in the FA Cup final against Crystal Palace past year, a goal in the Community Shield against Leicester last August and also scored in the 3-2 win over Southampton in the EFL Cup final back in February at Wembley.
"I think he will deliver for Man City - but he needs those players".
City's draw at the Emirates was basically their season in a nutshell.
"But we'll take it step by step and see where we end up at the end of the season". They need a goalkeeper and a couple of defenders, definitely.
It was a set-piece and City should not be vulnerable in that situation, but they are.
"Arsenal usually finish in a strong way and the top four still have to play each other, but it's hard to see Arsenal making it", Henry said.
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Carragher believes his former club are on the right track under boss Jurgen Klopp but thinks they may be some way away from a genuine tilt at the title, having faded mid-season following a strong start to the current campaign. So numerous United games, they should have won and could have won.
"I think Manchester United and Arsenal will miss out, that's my prediction", the Liverpool legend said, when asked to predict which teams would make it into the Champions League.
Liverpool's 27-year wait for a top-flight title looks nearly certain to continue as the business end of the season approaches.
John Stones had a decent game again at the Emirates, and was probably the pick of the bunch from their back four, but he can not do it all on his own.
"He will be getting angry about the situation now because they are so close, I think".
I know Pablo Zabaleta and Bacary Sagna were injured for the Arsenal game, which is why he had to try Jesus Navas at right-back. It won't be a case of splashing the cash and going for the league next season.
It is a great achievement but not being in Europe has definitely helped Conte, and he has been fortunate with injuries too.
From seemingly strolling towards the title Chelsea suddenly face a major test of their credentials.
"At the moment I don't think they've got enough to challenge for the league".
The reds are without Sadio Mane - a player who may be missing for the rest of the season and the reds do not have a good record this year - with just one competitive win in the 9 games he hasn't been in the matchday squad.
Alan Shearer was speaking to BBC Sport's Chris Bevan.