Here's the police body cam footage of Arizona Cardinals General Manager Steve Keim -- who told cops he only had 2 beers on July 4 ... but, refused to take a breathalyzer test.
Keim was pulled over in Chandler, Arizona after cops said he was swerving in his truck and almost hit a curb while making a turn.
During the stop, Keim told cops he only had 2 beers that evening -- along with some pizza.
The cops weren't convinced he was sober.
Keim told the officers he couldn't do any walking sobriety tests due to a messed up knee -- so, cops made him do the "follow my pen with your eye" test instead. He bombed that.
When cops asked him to take a breathalyzer, he refused ... telling the officer, "Nah. I'm not gonna do that."
Didn't matter ... he was arrested for DUI. Keim was cited and released a few hours later.
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