Jim Harbaugh's called it everything from "warmed up oatmeal" to "lies made up by our enemies."

On this occasion, Michigan athletic director Warde Manuel appears to be going with the latter.

Every year Harbaugh has been at Michigan football, his name has been thrown around the NFL coaching carousel in the month of December. Every year, so far, Harbaugh has shrugged off the talk.

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Earlier this week, Pro Football Hall of Famer and former Ohio State wide receiver Cris Carter, claimed during an appearance on FS1 that Harbaugh was "potentially trying" to leave Michigan for a job in the NFL.

Speaking with WTKA-AM (1050) in Ann Arbor on Monday, Manuel told folks to consider where Carter may be coming from with that.

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"I would say consider the source of the comment. Cris is very accomplished in his life, but he went to the school down south," Manuel said. "(People) tend to throw out things like that. 'Sources say, my sources.' Listen, I haven't missed any sleep. Jim has not said anything to me about it, he's on the road recruiting, putting in great effort.

"From my perspective, it has no validity at all."

Harbaugh, who became U-M's first coach since Fielding H. Yost to score double-digit win totals in three of his first four seasons as head coach this year, is wrapping up the 2019 recruiting cycle with the remainder of his coaching staff.

The early signing period begins Dec. 19.

Michigan is also prepping for its appearance against Florida in the Peach Bowl on Dec. 29 in Atlanta (noon, ESPN).

Harbaugh is in the fourth year of his initial seven-year deal with Michigan.

"There have been zero conversations about it. I believe Jim is very happy here. He is working to continue to bring in great recruits here," Manuel said Thursday. "Preparing to go down to the bowl game at the Peach Bowl and play a very good Florida team. His focus, I've spoken to him on several occasions in the past week, his focus has only been on the University of Michigan and making us better.

"I don't give any credence to those comments."

Contact Nick Baumgardner: nbaumgardn@freepress.com. Follow him on Twitter @nickbaumgardner.