Manchester United manager Louis van Gaal will watch and support Arsenal today when the Gunners face Manchester City.
The Red Devils kept their Top Four finish hopes alive after beating Norwich City 1-0 away from home.
And the Dutchman knows that if Arsenal beat the Citizens then his side will be in pole position to take fourth place away from their rivals.
"We are still in business, that is what I told the players," van Gaal told BT Sport.
"The players were very tired at the end but we won.
"We keep the pressure on our competitors and hope we can achieve a Champions League place. We want to play at the highest level but it is still tough. We have to play West Ham away now.
"You cannot regret your decisions. You have seen players today who also need a rest, I cannot give everyone a rest.
"When a players says he feels something, you cannot take a risk. We will see how Anthony Martial and Matteo Darmian are tomorrow.
"I am indeed a Gunners fan tomorrow. After losing to Real Madrid, it is not easy for Manchester City to revive."