Richie Incognito says Minnesota Vikings coach Mike Zimmer is straight up lying about the NFL lineman's claim that he was talking with the team about a job this off-season ... and it's getting nasty.
It all started when Richie appeared on "TMZ Sports" last week and he told us he'd been speaking with multiple teams about a possible contract ... including Minnesota.
"I'm still in great shape, just waiting on that call. I've had calls from Minnesota, Seattle ... I really just don't want to go to training camp, so we'll see.