Punk gave Barrett the opportunity to regain the leadership , stating that if he won a three-way steel cage match involving Orton , Sheamus and Barrett to determine the number one contender for the WWE Championship , Punk would not only give up the leadership , but work for Barrett 's Nexus . However , during the match , Punk came down to ringside , attacked Barrett as he was about to win and took off Barrett 's Nexus armband , symbolically removing him from the Nexus .
He as later removed from being the leader of Nexus after CM Punk gave him the opportunity to regain the leadership saying that if he won a three-way steel cage match to determine the number one contender for the WWE Championship but during the match Punk came down to ringside and took off Barrett 's Nexus armband , which symbolically removed him from The Nexus , and he went on to lose the match .