Zayn achieved much success in Pro Wrestling Guerrilla (PWG) as a two-time PWG World Champion and five-time World Tag Team Champion. He is the only person to have won both of PWG's annual tournaments, the Dynamite Duumvirate Tag Team Title Tournament in 2010 and the Battle of Los Angeles in 2011. Zayn has also held the ROH World Television Championship and the ROH World Tag Team Championship with Kevin Steen, with whom he later earned the 2010 Feud of the Year award from the Wrestling Observer Newsletter. Zayn is also a two-time IWS World Heavyweight Champion for the Montreal-based International Wrestling Syndicate (IWS). Having wrestled internationally, Zayn won the wXw Unified World Wrestling Championship in Germany and DDT Pro-Wrestling's KO-D Openweight Championship in Japan. In 2019, Zayn would transition away from in-ring competition and become the manager of Smackdown superstars Shinsuke Nakamura and Cesaro. He would also become the manager of Raw superstar Mojo Rawley.