Lionel Messi has been included in Argentina’s long list of 55 players for the nation’s preliminary World Cup roster, released Monday. While this is no guarantee that the global superstar will be at the tournament this summer, it does back up the stance he has consistently taken when questioned on his future involvement. As Messi explained back in October , he will play if he feels fully fit and capable of operating at his best. At the time of the preliminary roster’s announcement, Messi was undoubtedly living up to his own criteria—and it is strictly his decision to make, given there is no question that manager Lionel Scaloni would call up his compatriot whatever state of fitness he was in. The day before the long list was released, Messi played the full 90 minutes of Inter Miami’s 4–2 victory over Toronto FC , teeing up two goals before adding one of his own. Messi is averaging one goal involvement every 83 minutes in MLS this year.…