Duarte has battled sore hamstrings this season, forcing him to miss two games. So far this season he has 23 receptions, averaging 19.9 yards per catch, and three touchdowns.
The Bruins will also have available defensive back Ishmael Adams (ankle), defensive back Priest Willis (head trauma) and receiver Devin Fuller (leg). All practiced Wednesday.
With a victory over Stanford, UCLA will win the Pac-12 South Division and go to the conference championship game. A loss sends the winner of the Arizona-Arizona State game to the Dec. 5 title game in Levi’s Stadium in Santa Clara, Calif. The Wildcats and Sun Devils play Friday.