UNLV defensive lineman Ryan Keeler had been dealing with nausea and had felt sick for at least seven days prior to his tragic death on Feb. 20 ... this according to a new police report, obtained by TMZ Sports.
In the Las Vegas Metropolitan Police Department documents, cops say that after Keeler was found dead in his bed, they interviewed a friend of the football player's who told them Keeler had been fighting an illness since at least Feb. 13.
Cops say the friend, though, had told them he had just seen Keeler at dinner on Feb.