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Inter Milan is in dire need of funds to cover the club's debts and pay player salaries, but letting Lautaro Martinez join the SPL is not the right move. Martinez will lose his place in the Argentina squad if he moves to the SPL, because he will certainly experience a decrease in his performance and creativity because the SPL is not as competitive as the Italian Serie A.
Martinez is still under contract with Inter Milan until 2026, most recently he has rejected an offer from the SPL club worth 60 million. Staying and captaining Inter is an extraordinary achievement at this time.
Letting Lautaro Martinez go to the Arab Pro League certainly isn't a good option, but if that's an option Inter needs to consider then they could sell him too. Lautaro Martinez, of course, still really wants to stay in Europe because he feels he can still compete in the top-flight competition at the moment, this will also support him being called up to the national team because of his performance.
I agree more that if Martinez joins another top team in Europe regardless of whether in the Premier League, La Liga or Ligue 1, it will definitely give him more chances to have a good career than in the Arab Pro League. But I think he's still happy to be with Inter for a longer period of time, that's definitely his wish.