Arnold Schwarzenegger has put on a storied career that has inspired countless athletes through the years. Following the former governor's recent heart surgery, UFC superstar Conor McGregor has taken to social media to share a message concerning the individual. Arnold Schwarzenegger is a former professional body builder, weight lifter, California governor and action film star. The individual underwent open-heart surgery on Thursday, March 29, to replace an aging pulmonic valve. It has since been reported that the 70-year-old action film star is now in stable condition and the surgery was a success. Taking to Twitter, UFC lightweight champion Conor McGregor has decided to share a few supportive words for the former governor. "What an inspiration and true legend you are Arnold @Schwarzenegger! It is great to hear you are back in good health my friend" https://twitter.com/TheNotoriousMMA/status/980109056600891393 For more MMA news click here.