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After teasing his arrival to WWE, one of the biggest free agents in wrestling finally debuted

He's a former Impact World Tag Team Champion, TNA King of the Mountain Champion.

Former Impact Wrestling superstar Gunner finally arrived in WWE's NXT brand, debuting Thursday night in St. Petersburg.

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The previously reported holdup that Gunner needed to take his physical with the promotion apparently is no longer an issue.

Gunner took to Twitter about a month ago to say that it's "Time to TakeOver".

Gunner's tweet was an obvious take on NXT's TakeOver premier shows.

He's a former Impact World Tag Team Champion, TNA King of the Mountain Champion, NWA Mid-Atlantic Heritage Champion and NWA National Heavyweight Champion.