Rams WR Pettis suspended 4 games

St. Louis Rams wide receiver Austin Pettis enhancing substances policy, according to an NFL spokesperson.

Pettis, a 23-year-old rookie, will be suspended without pay for the final two games this season and the first two games next season, but is eligible to participate in all offseason and preseason practices and games.

The Rams selected Pettis in the third round of the 2011 draft out of Boise State. He has appeared in 12 games this year, recording 27 catches for 256 yards.