That's a bit of revisionism. Tony never seemed unstoppable. He was just tough as hell and was able to wear people down before they wore him down. He often took a beating before he either gassed his opponent out or broke them mentally. He was the exact style that you knew once it went bad and his endurance fell off, it was going to go south fast for him.Interim champ
And seemed unstoppable before Gaethje, was considered the one who would defeat Khabib
He was struggling against washed Cerrone and washed Pettis before Gaethje almost made a snuff film out of a UFC event.