Without getting into specifics, Niumatalolo said they began during Saturday's 35-34 overtime loss to Air Force in Annapolis and spilled into the first two days of practice.
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Navy-Marine Corps Memorial Stadium, 550 Taylor Ave, Annapolis, MD 21401, USA
Niumatalolo confirmed Thurday that Teich would not play Saturday.
"The thing that makes Alex a great player is that he's emotional, just like I am," Niumatalolo said. "He's a great kid and I know he took that loss hard. Some of the stuff that happened was detrimental getting ready for this game."
Before meeting with Teich in his office Thursday afternoon, Niumatalolo said that the player's suspension would likely be for only a game.
The Annapolis Capital reported Thursday that Teich had walked off the field last Saturday as the Air Force band was playing the school's fight song and was the only Navy player to so.