It's a night for WWE title-holders Sunday when Night of Champions emanates live from the Toyota Center in Houston, Texas.

Five titles are on the line in the show and Seth Rollins will be defending two of them. "The Architect" will put his United States Championship on the line against John Cena and then his WWE World Heavyweight Championship hangs in the balance against Sting. "The Vigilante" wrestles just his second match in the WWE on Sunday.

Here is the latest buzz for the show.

--There have been rumors that Carlito may be returning to the WWE as the company wants to build another top hispanic star to fill the Rey Mysterio void, Wrestlingheadlines.com reports. It's unknown when he'll return, so it may not be Sunday night, but there's always a possibility.

--WWE Hall of Fame announcer Howard Finkel weighed in with his thoughts on the Rollins vs. Sting bout.

"My heart wants to go with Sting, but my head believes Seth Rollins will win," Finkel told WWE.com. "I've got to go with my head here. It's all a matter of constant activity, which Rollins thrives at. While there's no doubt that Sting will give Rollins a run for his money, the champion retains, in a match that WWE fans will remember for a long time to come."

--Kevin Owens will battle Ryback for the Intercontinental Championship and he recently weighed on his character and whether he's a face or heel.

"People boo me, some people cheer me," Owens told "Breakfast Television." "I'm fine with it as long as they're having a good time and they're getting their money's worth."

--Names rumored for the mystery partner that will aid Dean Ambrose and Roman Reigns include The Rock and Chris Jericho, among others.

--Here is the final card for tonight's show:

WWE World Heavyweight Title Match
Sting vs. Seth Rollins

WWE United States Title Match
John Cena vs. Seth Rollins

WWE Divas Title Match
Charlotte vs. Nikki Bella
Nikki can lose her title by pinfall, submission, count out or DQ.

WWE Tag Team Title Match
The Dudley Boyz vs. The New Day

WWE Intercontinental Title Match
Kevin Owens vs. Ryback

Dolph Ziggler vs. Rusev

Bray Wyatt, Luke Harper and Braun Strowman vs. Roman Reigns, Dean Ambrose and a mystery partner

Kickoff Pre-show Match
Stardust and The Ascension vs. The Lucha Dragons and Neville

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