#1 WWE Hall of Famer Edge
This may sound like a surprising fact, but WWE Hall of Famer Edge has indeed wrestled for WCW. Before becoming a multi-time World Champion and having a comeback for the ages in recent times, The Rated-R Superstar wrestled a few enhancement matches for both WWE and WCW.
Edge officially signed a developmental deal with WWE in 1997, having worked for them without an official contract for a while. A few months before his first WWE match, Edge wrestled a couple of matches in WCW, as Damon Striker. He faced Meng on an episode of WCW Pro, which was part of the WCW Disney tapings.
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Despite only appearing in WCW a couple of times, Edge did win one of its Championships. He was the final WCW United States Champion before the belt was unified with the Intercontinental Championship at the end of the Invasion angle. Since then, Edge has barely looked back.
The 11-time World Champion was gone from the ring for nine years and following his miraculous return to WWE in last year's Royal Rumble, he went on to win the match this year. Edge is set to main event WrestleMania 37, most likely against Universal Champion Roman Reigns.