WWE Hall of Famer Sting recently spoke with Justin Barrasso of Sports Illustrated to talk about various topics. During the interview, he opened up on his retirement from pro wrestling, which was at the 2016 WWE Hall of Fame ceremony.

Seth Rollins wrestled Sting for the WWE Title at the 2015 Night of Champions PPV, which marked Sting’s last match after he suffered a neck injury after taking a powerbomb in the corner.

“I didn’t know if I was going to make any kind of announcement until I did it at the Hall of Fame,” said Sting. “I was wavering, I was kind of back-and-forth on it. I got hurt wrestling Seth [Rollins], and the neurosurgeons and everybody [were] saying I needed surgery, and then I had trouble with cervical spinal stenosis, or whatever they call it, and there were two areas in my neck that were really messed up bad, although I don’t have any pain or side-effects. One more bad fall and it’s not going to be good for me, so I just thought enough was enough.”

Sting once again reiterated his desire to have a match with The Undertaker. This would be the only match that he would be willing to come out of retirement for.

“Undertaker,” confirmed Sting. “Now do I regret not leaving [sooner for WWE]? That’s actually a good question, but a tough one to answer. On one side, it’s easy to say, ‘Yeah, I wish I would have gone earlier.’ On the other hand, I really don’t have any regrets. But my dream match for more than a decade, or maybe two decades, was to have a good match against ‘Taker. I always wanted to have that.”