Russian Mixed Martial Arts (MMA) champion Khabib Nurmagomedov defended his lightweight title and retired undefeated after submitting his American opponent Justin Gaethje. Many Turkish actors, especially the Dirilis: Ertugrul cast paid tribute to Khabib after his retirement. Celal Al, who played the role of Abdur Rehman Alp, also shared a throwback picture with the martial artist on his Instagram account.