Lionel Messi arrived back at Paris Saint-Germain's training ground on Wednesday to resume his day job, making a return to club football 17 days after claiming 2022 World Cup glory for Argentina as he was given a guard of honour by staff and his teammates.
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Having successfully added soccer's greatest prize to an honour roll that includes the Copa America, the Champions League, multiple league and cup titles and even Olympic gold, it may seem like there is no frontier left to conquer for Messi as he readies himself to return to action.