Three-year-old Kedon Slovis is scheduled to start against Oregon State on Saturday.
Dart replaced Slovis in the Trojans’ 45-14 win in Washington state last Saturday after Slovis was knocked out of the game in opening practice with a neck injury.
Dart came off the bench to throw for 391 yards and four touchdowns, but injured his right knee in the second quarter. The Kaysville, Utah native played the second half with a heavy sleeve and hobbled at times.
Interim coach Donte Williams did not discuss Dart’s status on Tuesday, noting only that he was not available for training.
Dart’s strong performance raised the possibility that Slovis could be benched for the first time due to poor play. He has started all but one game since taking over when JT Daniels stepped down. injured his knee in the opener of the 2019 season, missing the game in Washington that year after suffering a concussion.
The offense has been slow in USC’s first two games this season, scoring 23 points in a win over San Jose State before being beaten in a 42-28 loss to Stanford that marked the Mountains’ final game. Russians by Clay Helton. Slovis managed two late touchdowns against the Cardinal after the outcome was decided.
Slovis threw for 487 yards and three touchdowns with one interception, completing 65% of his passes in three games this season.
24/7 Sports first reported that Dart had undergone knee surgery.
Information from Kyle Bonagura of ESPN and The Associated Press was used in this report.