Lukaku has been on the decline since Ole Gunnar Solskjaer took charge at Old Trafford, scoring just two goals in five starts under the United caretaker boss.
Juventus and Manchester United, where he first emerged as a world-class talent, are among clubs being linked with moves for the five-time Ballon d'Or winner.
"Thanks for everything during fivefantastic years here, where I was able to win my first big trophies. There have been some incredible moments that I will always remember. You, the supporters, will always be in my heart."
"Thanks for everything during fivefantastic years here, where I was able to win my first big trophies. There have been some incredible moments that I will always remember. You, the supporters, will always be in my heart."
We had a fantastic escort tonight, thank you to the Italian police." Mourinho also explained why he cupped his ears towards the home fans at the final whistle.
He was my number one managerial target for the last five appointments, but his desire to honour existing contracts meant we were not able to bring him to Sunderland previously.
I'm really happy to have played for five years for Arsenal." He finishes as the 32nd all-time top scorer, and says he is especially proud of winning the club's Player of the Year award in 2019.
"They have fantastic individuals, and if they get Gareth Bale, then they add one for sure. He is one of the best players in the world, in my opinion, over the last four or five seasons."