GREEN BAY, Wis. (AP) – Green Bay Packers rookie offensive lineman Sean Rhyan has been suspended without pay for six games for violating the NFL’s policy on performance-enhancing substances.

The penalty means the third-round draft pick out of UCLA must sit out the rest of the regular season. NFL officials announced the suspension Friday.

The Packers said they wouldn’t have any comment on the matter because of the confidentiality of the process.

Rhyan has participated in only one play this season and for no offensive snaps.

He was active and appeared in one special-teams play on Nov. 6 in a 15-9 loss at Detroit.