On August 11 (local time), Lionel Messi uploaded a letter to his social media addressed to his father, who recently passed away.

Amid deep grief over losing his father, he confessed the greatest anguish of his football career, saying, "I don't know how to keep going without you," while his "eternal rival" Ronaldo also offered heartfelt condolences.

We bring you Messi's letter and inner turmoil regarding his father on [Sports Mug].

(Produced and edited by Ju-hyeon; Production by Sports News Department)