Inter Miami manager Tata Martino has detailed what Argentina staff are telling the MLS club about Lionel Messi’s ongoing fitness issues. The 37-year-old forward has been dealing with injury once again, with Messi missing Argentina’s last group stage match of the Copa America, with the attacker also not fully cleared yet to feature in tonight’s quarter-final tie against Ecuador. With Argentina manager Lionel Scaloni being coy on how well Messi is doing despite being back in full training, the reigning Ballon d’Or holder’s fitness is being guarded under lock and key, much to the dismay of suppor…