McGregor Promises to Outsell Canelo in Final UFC Fight

• Conor McGregor, former UFC two-division champion, promises to sell his next fight better than Canelo Alvarez.
• McGregor claims his upcoming fight will be his last in the UFC.
• He made the announcement while recovering from ACL surgery.
• McGregor took to Twitter to highlight his star power after seeing Canelo Alvarez's recent success.
• McGregor aims to prove his ability to draw large audiences in his final fight.