United’s No.9 did not travel with the rest of the squad on Friday, when they flew south.
Anthony Martial and Alexis Sanchez lead the United attack, with Marcus Rashford dropped to the bench after starting United’s last five games but failing to score.
“In training yesterday, after the press conference, he felt something that needs to be studied in the next couple of days,” said Mourinho
“So Lukaku has not come and we decided to start with Alexis.”
The teams are in from the Vitality Stadium.
Romelu Lukaku is not among Jose Mourinho’s 18-man squad.
Here’s how the sides will line up:
AFC Bournemouth: Begovic, Francis, Steve Cook, Ake, Smith Lewis Cook, Lerma, Fraser, Brooks, Wilson, Stanislas.
Subs: Boruc, Gosling, Surman, Mousset, Ibe, Daniels, Defoe.
Man Utd: De Gea, Young, Smalling, Lindelof, Shaw, Fred, Matic Pogba, Mata, Martial, Sanchez.
Subs: Jones, Rashford, Lingard Ander Herrera, Romero, Darmian, McTominay.