Who will Ted Cruz pick as his running mate?

Fresh off his win in the Wisconsin primary, Texas Sen. Ted Cruz's chances of becoming the eventual Republican presidential nominee are better than ever.

But if elected, who would he chose for a running mate? His choice could easily make or break his chances.

His best bet might just be South Carolina Gov. Nikki Haley. Not only would she help add some diversity to his potential 2016 ticket, she could also provide a much-needed boost in the likability column for Cruz. Haley has a 56 percent approval rating in her home state, according to Public Policy Polling, which is among the highest approval ratings for governors across the country.

Check out some of the potential picks:

Recently, rumors have begun to swirl that he might instead tap another high profile Republican female to be his running mate -- former rival Carly Fiorina. Her outsider status could help him tap into the independent voters who've been looking to back an outsider. And she, like Haley too, could help him with female voters if Hillary Clinton becomes the Democratic nominee.

Fiorina isn't the only rival who may be on Cruz's short list for vice president. Some have suggested that Florida Sen. Marco Rubio could be a potential running mate. In fact, there is speculation that Rubio might be planning to ask for the role.

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If he's looking to pick a total outsider, Cruz might tap former FOX News host Glenn Beck.

Beck been a big Cruz backer since January, and while Beck has actually championed the idea of a Rubio and Cruz ticket, his name recognition, along with his loyalty, could be enticing enough for Cruz to consider him.

Former Republican presidential nominee Mitt Romney could be a wildcard pick for Cruz that would certainly grab headlines. He backed Cruz in the Utah primary, but he may not be interested in running as second fiddle.

We may not know who Cruz would pick as his running mate yet, but one thing's pretty certain -- he has no interest in being his primary rival's running mate.

"I have zero interest whatsoever in this." Cruz said. "And listen, if Donald Trump is the nominee, it's a disaster."