A new report says two men have plead guilty to the killing of Khalil Wallace, a former Millville football player. The Press of Atlantic City reports that 31-year-old Andre Gross and 29-year-old Norman Gray, both of Millville, plead guilty to aggravated manslaughter upon facing 1st degree murder charges. Sentencing will take place on June 10 and both face the potential of 20 to 23 years in jail, in accordance with the plea.