Former UFC heavyweight champ Cain Velasquez is about to make his pro wrestling debut and some fans are already mentioning his former rival Brock Lesnar.

Velasquez made a big switch from MMA to pro wrestling and is about to make his debut in August. The former heavyweight champ posted a video of himself on his official Facebook account, announcing his pro wrestling debut at Triplemania XXVII. Velasquez was really looking forward to the event and even noted that he is "pumped up" ahead of his match.

If it is about pro wrestling and UFC, it's hard not to think about Lesnar. In fact, some of Velasquez's fans were pushing him to sign with the WWE and face Lesnar, the promotion's household name. The WWE superstar lost to Velasquez back when he was still with the UFC and since then the two heavyweight stars never has the chance to share the octagon once again.

Prior to Velasquez, another former UFC heavyweight champ already pursued a pro wrestling career. Brazilian Jiu-Jitsu blackbelt Frank Mir, who also happened to be Lesnar's former rival in UFC, has been taking part in several pro wrestling events. Mir's latest happened just about a week ago in an event entitled "Natural Born Killers."

Unlike Velasquez, Mir was vocal about fighting Lesnar in pro wrestling. Last April, Mir even vowed to be the first pro MMA fighter to defeat Lesnar in a pro wrestling match if they ever face each other inside the ring. However, the match never actualized.

Although the idea of a Lesnar match appears to be a long shot for Velasquez and Mir at this point, nothing seems impossible in the fight business, moreso, in pro wrestling.

Now that Lesnar already has two of his greatest rivals in the pro wrestling business, it is not impossible for the WWE star to finally react. After all, it is very exciting to see how Lesnar will avenge his lost against Velasquez and a rubber match with Mir even if it's not a real fight.

WWE has been linked to several MMA stars such as Conor McGregor and Georges St-Pierre but Lesnar and former UFC women's bantamweight champ Ronda Rousey were two of the most famous MMA champs who appeared to have paved the way for other MMA pros to switch to pro wrestling.

Dave Bautista, better known as "Batista" was the most notable WWE star who switched to MMA several years ago but didn't manage to succeed in the sport.

Brock Lesnar
Brock Lesnar prepares to fight Mark Hunt during the UFC 200 event at T-Mobile Arena on July 9, 2016 in Las Vegas, Nevada. Getty Images/Rey Del Rio
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