NFL

Giants rookie: I’ve never met woman claiming to be fiancée

Welcome to the NFL, Odell.

The New York Giants on Tuesday asked the league to investigate a woman claiming to be the fiancée of their freshly signed No. 1 draft pick, Odell Beckham Jr., as she spread sordid tales about his sex life — and he flat-out denied even knowing her.

The woman, identified as Erica Mendez, claimed in a report published Tuesday that the Giants’ new receiver had a threesome with strippers and even had a love child with another woman.

But Beckham and a team spokesman told The Post that he’s the victim of a complete scam — and has never even met the woman, much less proposed to her or had a love child.

“The entire story is fabricated. I have never been engaged. I don’t have any children. And I have never met this person who is making these claims,” Beckham, 21, said in a statement.

A Giants spokesman added, “The organization has contacted NFL security to help investigate the matter.’’

Beckham, who starred at Louisiana State University, just inked a $10.4 million, four-year deal with Big Blue.

Mendez, a 19-year-old self-described model from Texas, allegedly told RadarOnline that she’s been dating Beckham since 2010.

The LSU grid star “swept me off my feet,’’ the woman said.

“He treated me like a queen,” showering her with gifts including a new BMW and jetting her to Paris and London, she said.

But the woman claimed that she then discovered he was cheating on her — and supposedly had a love child from a fling.

During one alleged angry text exchange between the pair, posted by Radar, Beckham supposedly writes, “U ain’t never believe anything I say!’’ and she replies, “Why is that? I believed that you were faithful and you had a child on me? Did u fall on your head lately Odelliee?’’

She also told Radar she walked into his parents’ home in New Orleans in August 2013, shortly after they were allegedly engaged, and found him in a “sexually compromising position’’ with two strippers.

Erica MendezTwitter

But bizarrely, she said the couple recently reconciled — and their wedding is on for next March.

“We love each other,” she told Radar. “Everybody makes mistakes. He has promised he has changed. I have faith in him.”

A woman who claimed to be Mendez later told The Post that she never talked to the Web site or gave them texts, although she insisted that she is engaged to Beckham and has met his parents.

Radar didn’t respond to an e-mail seeking comment.

Odell’s dad, Odell Beckham Sr., denied ever meeting the woman and told The Post that the family has hired a private investigator to try to track her down.

“It’s a hoax,’’ the dad said . “[Odell] is actually seeing a young lady who went to Alabama.

“The only child he has is a pit bull named Dre.”