Conor McGregor. Image via: Jeff Bottari/ Zuffa LLCConor McGregor has shared a positive update with fans after undergoing successful knee surgery following the injury he suffered at UFC 329. The former two-division UFC champion posted an Instagram video confirming that the operation went well. He then declared that his recovery journey has officially begun.The Irish fighter appeared determined despite another major setback in his career. McGregor thanked God, reflected on athletes who returned stronger from similar injuries, and promised fans that his mindset remains as strong as ever. His latest message focused on recovery rather than disappointment, as he looked ahead to making another comeback.Conor McGregor says his mindset is “unstoppable” after successful surgeryConor McGregor revealed that his surgery was successful and expressed confidence about returning to full fitness. In the Instagram reel, he delivered a power-packed message to his fans while also responding to critics. He said his surgery was complete and his knee had been repaired. The doubters can keep talking since he didn’t run from the pain and walked straight into it. He said, "Now the real work begins. Comeback season starts now.”McGregor also spoke about his mentality following the operation. He said, “I am on the road to recovery and that should tell you all about my mindset, straight into the surgery, knee repaired I'm on the road. My mindset is unstoppable, unbreakable.”He ended the video by saying, “thank you god thank you so much god.”During the video, McGregor also highlighted athletes who successfully returned after suffering serious knee injuries. He mentioned NFL legend Tom Brady and Aaron Peters as examples of strong recoveries. He also praised former UFC bantamweight champion Dominick Cruz, who overcame multiple ACL injuries before winning the UFC title.McGregor further pointed to former two-division UFC champion Georges St-Pierre, saying he recovered from a second ACL injury and is now capable of doing backflips. By mentioning these athletes, McGregor showed that he believes a successful comeback is still possible.The 38-year-old injured his knee during the opening moments of his rematch against Max Holloway at UFC 329. McGregor threw a jumping roundhouse kick but landed awkwardly, tearing his ACL. Although he attempted to continue, the referee stopped the contest just 69 seconds into the first round because his knee could no longer support him.The injury ended McGregor’s long-awaited return to UFC after a five-year absence from competition. It was another difficult setback for the Irish star, who had previously recovered from a broken leg suffered in his last UFC appearance.According to reports, McGregor is expected to need around nine to 12 months to recover from the ACL injury. Despite the long rehabilitation ahead, he has already stated that he hopes to return during International Fight Week in 2027. With one fight remaining on his current UFC contract, McGregor remains focused on completing his recovery before stepping back into the Octagon.