He suffered the injury during a pre-season friendly against Premier League rivals Newcastle in South Korea.
"Lowest low I’ve ever had. Heartbroken at the fact this injury has occurred at this time in my career," he wrote in a lengthy Instagram post.
"With the Super Cup tomorrow, the Premier League season on the horizon, the exciting Champions League campaign & it being a World Cup year for England, it all feels very, very cruel, but nevertheless, the ACL reconstruction surgery was successful.
"To all my close friends and family, your support and love means absolutely everything to me. To those of you who have gone out of your way to message on social media platforms in support of me and my recovery, even when we don’t know each other personally.
"I appreciate you all more than you’ll ever know so thank you. And lastly to those of you who doubt, hate and mock. You truly motivate me to levels I didn’t know I had inside of me so again, thank you. See you all on the other side."
Spurs face PSG in the Super Cup on Wednesday, August 13th to get their 2025/26 campaign underway.