BOSTON (CBS) – A San Francisco radio host called Patriots quarterback Tom Brady a cheater, and said he’d rather have Tim Tebow behind center for his team. One caller took particular offense to that.

WGO host Chip Franklin received a call from a manthe station says was Tom Brady Sr., who angrily defended his son and said the host was “full of crap.” The audio from the call was posted to Deadspin.

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The Friday exchange began when Franklin said Tom Brady is a cheater, a bad sport, and a “big freakin’ baby.”

Franklin added that Tebow is a “gamer and a guy that everybody likes” and suggested Brady was successful due to the Patriots system.

That’s when Brady Sr. called in to defend his son.

“When you say Brady is a liar, you’d better be careful fella because you don’t know what the heck you’re talking about,” Brady Sr. said.

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Brady’s 4-game suspension for his role in DeflateGate was overturned this week by Judge Richard Berman.

The radio host said he believed the evidence provided by the NFL that Brady was responsible for the deflated footballs in the AFC Championship against the Indianapolis Colts.

“Who’s believing the NFL?,” an animated Brady Sr. said on WGO. “It’s a kangaroo court!”

Brady Sr. said much of the evidence against his son was false, including the Chris Mortenson report that 11 of 12 balls were underinflated by two pounds apiece.

“It’s all lies. It’s all ESPN. It’s all NFL propaganda. Don’t you get it?,” said Brady Sr. “The only person that’s testified under oath in this is Tom Brady. We know Goodell is lying. He lied in the Ray Rice case, he lied in this case, he lied in the Adrian Peterson case. How many times do you need to know this guy is a flaming liar?”

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Tom Brady released a statement Friday night on Facebook, addressing the judge’s suspension for the first time.