In February 1989, Larry Zbyszko, a one-time employee and Verne's son-in-law, returned to the AWA and won the vacated World Title in an 18-man Battle Royal, eliminating Tom Zenk to end the match. It was also during this time that Joe Blanchard replaced Blackburn as AWA President. Zbyszko's first title reign would last for a little over one year. During this time, he would defend the title against Zenk, Greg, Wahoo McDaniel, Ken Patera, Nikita Koloff, Brad Rheingans, The Trooper Del Wilkes, and Masa Saito. Zbyszko would eventually lose the title to Saito in February 1990 in front of 65,000 fans at the Tokyo Dome at the NJPW/AJPW Supershow. Zbyszko would regain the title in April 1990 at "SuperClash IV". During 1989 and 1990, the AWA also pushed Mike Enos and Wayne Bloom as the top tag team. In early 1989, Eric Bischoff, who was performing office work for the AWA at the time, mostly in sales and syndication, was placed in front of the camera to replace Larry Nelson as interviewer and occasional commentator. The AWA was Bischoff's first exposure to the world of pro wrestling. He would later become a dominant force in the industry, leading World Championship Wrestling to prominence in the 1990s.