By Andrew Holleran A lot of offseason rumors are swirling for the Dallas Cowboys, but one thing is certain: Dak Prescott will be back in 2022. The Cowboys starting quarterback signed a four-year, $160 million contract extension last offseason. He’s the longterm answer at quarterback in Dallas. With free agency rumors swirling in Dallas, the girlfriend of the Cowboys quarterback enjoyed some rest and relaxation earlier this week. Natalie Buffett, who’s been dating Prescott for more than a year, shared a photo of herself on her Instagram page. “Did you know a gathering of flamingos is called a f…