Seferian-Jenkins pleaded guilty earlier this month to a charge of driving under the influence and is schedule to serve a day in jail on July 31. Washington begins practicing Aug. 5.
A third-team All-American, Seferian-Jenkins was arrested in March after crashing his car.
Williams was fined and received a misdemeanor citation after he was pulled over for speeding and investigation of driving under the influence in May. He led the team with 77 catches for 878 yards and six touchdowns.
Sarkisian says any discipline handed out will be kept internal.