Pasadena Muir defensive back Taeon Mason has decommitted from USC's 2015 recruiting class, Cougfan.com reported.
Mason verbally committed last February, days after attending USC's Elite Junior Day. He took an official visit to Washington State in November.
USC has 15 verbal commitments, including defensive backs Isaiah Langley, Ykili Ross and Marvell Tell, and 19 available scholarships.
Recruits can sign letters of intent on Feb. 4.