ANN ARBOR -- Jim Harbaugh on Monday called for an investigation into the claims made by Michigan State about the timing and actions taken prior to Saturday's pre-game spat.

Speaking this evening on the "Inside Michigan Football" radio show, Harbaugh was asked about a Monday afternoon statement from MSU that detailed the Spartans' pre-game schedule. In it, MSU also said it asked Michigan's players to leave the Spartan Stadium field as a courtesy.

"That is not (true)," Harbaugh said. "There's a conflict in the explanations. It should be investigated, and I look forward to seeing the outcome of that."

Earlier Monday, Harbaugh alleged that MSU officials told Michigan that it originally planned to begin its field-wide march -- a pre-game ritual for MSU that spans the length of the field -- at 9:45 a.m., then moved it to 9:55.

MSU did not take the field until shortly after 10 a.m., with video of the march surfacing at approximately 10:02 a.m. Michigan linebackers Devin Bush and Khaleke Hudson were already on the field, as was defensive back Lavert Hill, defensive tackle Lawrence Marshall and a handful of Michigan staffers.

What followed has been disputed by both sides, with Michigan alleging MSU's moving wall of players "clotheslined" Marshall and ripped the headphones of Hill. After Michigan's 21-7 win over MSU on Saturday, Harbaugh called the Spartans' handling of the incident "bush league."

He doubled down on Monday afternoon during a bye-week news conference, refuting MSU coach Mark Dantonio's comment that Harbaugh's claim was "BS."

"You know all my feelings," Harbaugh said Monday night. "You know what I think. That was putting it mildly."

Harbaugh continues to defend Bush, who capped the incident by running to midfield and stomp up the white Spartans logo. His action was caught on video, and Bush later defended his "emotional" response.

"Really, to have Devin Bush Jr. portrayed that he did something wrong -- we don't have that feeling at all," Harbaugh said. "We thought our players handled it as well as they possibly could have in that situation they were in."

What an investigation into this would look like is unclear, but Harbaugh has asked Michigan athletic director Warde Manuel to discuss the incident with first-year Michigan State athletic director Bill Beekman.

As it turns out, the two have already spoken about it.

"I had a conversation on the field with Michigan State Athletic Director Bill Beekman prior to the game regarding the situation that occurred during pre-game warmups," Manuel said in a statement issued to MLive late Monday by an athletic department spokesman.

"My preference is to keep that conversation and any further discussions between us. I will work with our staff and the conference to see how this situation can be prevented from happening in the future.

"It is a great rivalry between two Michigan Universities, and the focus should remain on the game, the way it's played, and the final result."

Dantonio, who referred to the incident and Harbaugh's post-game comments as "juvenile," is expected to meet with reporters Tuesday in East Lansing.