Terkay made his World Wrestling Entertainment debut on the July 28, 2006 edition of SmackDown!, working an MMA gimmick with Elijah Burke, who acted as his cornerman. Terkay defeated Matt Hardy in his debut match on SmackDown!. In the following weeks, Terkay dominated jobbers as well as later interfering in Burke's matches. On the October 20 episode of SmackDown!, Terkay helped Burke defeat Vito, breaking his four-month undefeated streak. On the November 7, 2006 edition of WWE's ECW on Sci Fi, Terkay and his associate Elijah Burke debuted in ECW by doing a backstage promo. Their undefeated streak as a tag team was ended when The Hardys defeated them on ECW. At ECW's December to Dismember pay-per-view, Terkay and Burke defeated The F.B.I. (Little Guido Maritato and Tony Mamaluke). In a backstage promo, Burke and Terkay dubbed themselves as the "Knock-out Tap-out Connection". He accompanied Burke to his matches in a bodyguard-type role for the next several weeks. Terkay remained undefeated in television singles competition. On January 18, 2007, Terkay was released from his WWE contract.