WWE SmackDown - 5 biggest news stories - Huge stipulation added to WrestleMania main event, rare Vince McMahon appearance next week

Brock Lesnar and Roman Reigns have signed the contract for their huge WWE WrestleMania match.

#2 Ronda Rousey will face Sonya Deville next week on SmackDown

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Ronda Rousey appeared on SmackDown once again this week. She joined Michael Cole in the ring for an exclusive interview to kick off the broadcast.

Rousey discussed her motivation for returning, inspired by her mother and newborn daughter. The interview was cut short when SmackDown Women's Champion Charlotte Flair appeared. It all seemed like a diversion as Sonya Deville ambushed "The Baddest Woman on the Planet" from behind.

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It allowed Charlotte to take advantage and smash Ronda's knee against the ring post. Despite this, she managed to escape a further attack from Deville. Ronda and Sonya are now set to compete in Miami next week.

#1 Huge stipulation added to Brock Lesnar vs. Roman Reigns at WrestleMania 38

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WWE is now dubbing it the biggest WrestleMania match ever. Universal Champion Roman Reigns will face WWE Champion Brock Lesnar at the Show of Shows in a Winner Take All match.

Before SmackDown went on air, WWE.com announced that the match would now also be a Championship Unification match. The Universal Championship and the WWE Championship will be merged at WrestleMania.

What this means moving forward remains to be seen, but it adds more intrigue to the colossal showdown set to take place at AT&T Stadium. It has also been confirmed that the match will take place on Night Two of the big event.

Let us know your thoughts on the Championship Unification announcement for WrestleMania in the comments section below!

Edited by Angana Roy