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That's according to Barcelona defender Oscar Mingueza, who has staunchly defended the 33-year-old Argentine superstar.
Messi has been in fine goalscoring form for Barcelona this season, despite his desire to leave the Camp Nou last summer.
The Argentina captain has scored 29 times and registered 13 assists in 37 appearances for Barcelona this season.
However, Messi's current deal will expire this summer and he has been linked with both Manchester City and Paris Saint-Germain.
Mingueza has insisted that the six-time Ballon d'Or winner has to look after his interests first.
The 21-year-old Spaniard told El Larguero: "Nobody can complain about everything Messi has given us [at Barcelona].
"He has to look after himself and no-one else."
Messi's relationship with Barcelona deteriorated under former club president Josep Bartomeu, not to mention a public spat with former director of football Eric Abidal last year.
Joan Laporta beat Victor Font and Toni Freixa in the Barcelona presidential election earlier this month.
The 58-year-old Spaniard has vowed that he would do everything in his power to convince Messi to sign a new Barcelona deal.
"I take the opportunity to say again that I will try to convince Leo to stay with us," Laporta said.
"That is a must-do task, I will do all I can. He knows it.
"Whatever he does will be OK, but we will try to make him stay because he is the best player in the history of football.
"And my apologies Leo, for saying this right here and right now, but you know of my love for you, Barca loves you a lot and if this stadium would be full when you play the next game, I am sure you wouldn't be able to leave."
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