USC cornerback Adoree’ Jackson, who suffered a hip-flexor injury last week against Arizona, did not dress in pads and only shadowed other cornerbacks as the Trojans began preparations for Saturday’s game against Colorado.

Jackson’s status for the Colorado game is uncertain.

Jackson made seven tackles and several impressive coverage plays before he left the Arizona game.

Redshirt freshman Chris Hawkins worked with the first-team defense in Jackson’s place.


Cornerback Kevon Seymour, who left the Arizona game because of illness, practiced Tuesday.

Seymour made six tackles against Arizona.