UCLA safety Alex Mascarenas sat out of practice Thursday after feeling dizziness following Wednesday's practice and is listed as out for the Colorado game.
Mascarenas has been missed the last six weeks because of a concussion. He returned to practice this week and worked out Tuesday and Wednesday, but had a setback.
The complete official injury report:
Richard Brehaut, QB (ankle), Probable
Derrick Coleman, RB (hip), Probable
Tony Dye, S (neck), Probable
Alex Mascarenas, S (concussion), Out
Dietrich Riley, S (neck), Out
Chris Ward, OL, (knee), Out
Jordan Zumwalt, LB (hip), Questionable.
Out – player definitely will not play
Doubtful – at least 75% chance player will not play
Questionable – 50-50 chance player will not play
Probable – virtual certainty player will be available for the game