In the main event of that year's Great American Bash, Flair defended the NWA World Heavyweight Championship against Terry Funk, who was a member of Gary Hart's J-Tex Corporation. After Flair got the victory, he was attacked by Funk's stablemate, Muta. Sting came to the aid of his old rival Flair, and the two feuded with Muta and Funk for the rest of the summer and fall, culminating in a Thunderdome Cage match between the two teams, which Flair and Sting won, at Halloween Havoc '89. The alliance with Flair resulted in Sting joining the newly reformed and now-face Four Horsemen along with the Andersons, Arn and Ole (kayfabe cousins). Sting finished out the year by winning a four-man round-robin Iron Man tournament at Starrcade '89. In the final match of the night, Sting defeated Flair to accumulate the necessary points to win the tournament. The victory made Sting the number one contender for Flair's NWA World title, leading to tension within the Four Horsemen.