Several sources already saying that he's denied he has an ankle injury.
Argentina captain Lionel Messi, during a post-match interaction after their win over Mexico in the 2022 FIFA World Cup, dismissed speculation that he suffered an ankle injury against Saudi Arabia. "I don't know why [people] talk so much about my injury...truth is I don't have anything," stated Messi. "I twisted my ankle, but afterwards I trained normally," he added.
Edit: Messi said it in his post match interview:
https://youtu.be/Et7fXX4TxqQ?t=86