Is Jets' Sanchez dating Panettiere?

New York Jets quarterback Mark Sanchez and actress Hayden Panettiere have been photographed together in California, adding to speculation the two are dating.

New York Jets quarterback Mark Sanchez and actress Hayden Panettiere have been photographed together in California, adding to speculation the two are dating, the New York Post reported Wednesday.

Sanchez last week denied he was dating the "Heroes" star, with whom he reportedly was seen leaving an In-N-Out fast-food burger joint in Laguna Hills, Calif., over Memorial Day weekend.

Panettiere, 21, recently split with 35-year-old heavyweight boxer Vladimir Klitschko, and she and Sanchez have been spotted together more than once.

"The two are exclusively seeing each other, but trying to keep it under wraps," the sports gossip site TerezOwens.com said, adding, "They are really serious about making it work."

Panettiere and Klitschko broke up in early May, People magazine reported.

The Post reported Sanchez, 24, and Panettiere were spotted out in LA in April, reportedly "trying to hide their affection." The pair also were spotted together at events in Las Vegas.

TerezOwens.com said after the breakup, Panettiere called Sanchez, who is spending his time in California during the NFL lockout, rather than in New Jersey.

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