National Football League free agency: Bills have 'some interest' in QB Sam Bradford

National Football League free agency: Bills have 'some interest' in QB Sam Bradford

Former Oklahoma quarterback Sam Bradford will sign with the Arizona Cardinals when free agency opens Wednesday, according to ESPN's Adam Schefter.

The Cardinals don't have any other quarterbacks under contract.

Things didn't go according to plan.

Bradford had an outstanding 2016 season for the Vikings, but lingering knee problems as a result of previous surgeries to fix an ACL caused him to miss most of the 2017 season. He suffered two ACL tears in 2013 and 2014.

Bradford made a brief return in Week 5 against the Chicago Bears, but he was pulled before halftime after re-aggravating the injury.

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Bradford, 30, was acquired by the Minnesota Vikings from the Philadelphia Eagles following Teddy Bridgewater's season-ending injury before the 2016 season in exchange for a 2017 first-round pick and a 2018 fourth-round pick.

He missed most of the 2017 season with a knee injury. He was named the NFL Offensive Rookie of the Year in 2010.

Via a source, NFL Network's Ian Rapoport reports that the veteran signal-caller has inked a one-year, $20 million contract to play for Steve Wilks' club.

He underwent arthroscopic knee surgery in early November, and was in uniform as the Vikings' backup quarterback in the postseason.

It's possible Bradford could have come back and started had Keenum struggled, but that wasn't the case and Bradford hit free agency. When he has played, however, he has played well, with the former No. 1 overall pick completing more than 71 percent of his passes with 23 touchdowns and only five interceptions in 17 games played with Minnesota.