Disgraced former NFL star Greg Hardy has made a seamless transition into MMA. After going undefeated as an amateur, Hardy made his professional MMA debut on Dana Tuesday Night Contender Series and scored a first-round knockout less than a minute into the first round. Hardy sent fellow former NFL player Austen Lane in 57 seconds into round one. See Hardy\u2019s one-hitter quitter for yourself! https:\/\/twitter.com\/barstoolsports\/status\/1006710854702845952?s21 Hardy played for the Dallas Cowboys and Carolina Panthers before his tumultuous personal life began to affect his playing ability. A domestic assault charge ruined Hardy\u2019 reputation, and eventually, Hardy was sent packing from the NFL. Rather than seriously pursue a return to football and the NFL, Hardy instead opted to try his hand at MMA as a heavyweight. After racking up a 3-0 record as an amateur, all by\u00a0 finish, and is now 1-0 as a professional. White\u2019s contender series has launched several UFC careers and has become somewhat of a feeder league for the world\u2019s biggest MMA promotion. Check out Dana White's reaction after Hardy's frightening\u00a0KO: https:\/\/twitter.com\/UFCFightPass\/status\/1006708566093254657 UFC signed Hardy after delivering an impressive performance in pro debut:(Via BloodyElbow) \u201cIt\u2019s exciting,\u201d Hardy said of his signing. \u201cIt\u2019s everything I could ask for.\u201d Dana White said Hardy may need experience but he doesn't\u00a0have to look a fight somewhere else. \u201cWe\u2019ll figure out how to do that,\u201d White said. \u201cWe\u2019ve done this before. Are you impressed by Hardy\u2019 pro debut? Is the former football player possibly UFC material?