Moreno Valley (Calif.) Rancho Verde running back Daniel Jenkins, who had three offers going into the week, added a fourth.
"Coach Roberson from Washington State offered me," said Jenkins.
The Cougars join Arizona, New Mexico and Nevada in offering Jenkins.
Jenkins ran for over 1,100 yards and 15 touchdowns as a junior.
He'll be at the UnderArmour/Scout.com Combine this weekend.