TEMPE, Ariz. (AP) -- Arizona Cardinals All-Pro cornerback Patrick Peterson has been suspended for the first six games of the 2019 season for violating the NFL's performance-enhancing drug policy.
The NFL did not specify Thursday which illegal substance Peterson allegedly used.
Peterson can participate in all offseason workouts and preseason games. He will be eligible to return Oct. 14, before Arizona's game against the New York Giants.
Peterson is still one of the NFL's best cornerbacks at 28. The fifth overall pick of the 2011 draft, he has 23 career interceptions despite teams rarely testing him.
Peterson demanded a trade last season before apologizing. He posted a few cryptic messages on social media last month while deleting all mentions of the Cardinals in his profiles.