Justin Verlander has some four-legged competition as far as Kate Upton is concerned.

The blonde bombshell appeared on "The Tonight Show with Jimmy Fallon" on Thursday and revealed she has a thing for Triple Crown winner American Pharaoh. The horse will be going for the Grand Slam at the Breeders' Cup this weekend and Upton is handing out the trophy to the winner.

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It appears the beautiful model is pulling for American Pharaoh, and if he wins, she has some dark ideas.

"I'm so excited to meet American Pharaoh," Upton told Fallon. "Also, I just want to make out with [him]."

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Lookout Verlander, your girlfriend is into some weird things.

The Tigers right-hander has been romantically linked to the model since 2011, but the two split up briefly earlier this year. Luckily for them, they were able to work things out and got back together, with the couple also being spotted at the Knicks game Thursday.

If there are any threats to the pair's bliss, it doesn't appear that Pharaoh jockey Victor Espinoza will be one of them.

When Upton first dropped the bombshell of her desires to swap spit with the racehorse, Fallon first thought she was talking about Espinoza.

"Not the jockey," Upton exclaimed with a hint of disgust in her voice.

When Fallon figured out her intentions, Upton wouldn't relent in expressing her desires.

"I'm gonna really make out," she said. "Do you think I have to ask first?"

Fallon said what everyone else in the room and in the nationwide audience was thinking.

"I don't think Kate Upton has to ask anyone if she wants to make out with them," the talk show host said. "I think you just do it."

From Triple Crowns to potentially making out with a smokin' hot 23-year-old model. That is one lucky horse.

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