Retired Redskins star Clinton Portis has joined the more than 4,500 former NFL players suing the league over head injuries, according to court records obtained by The Washington Times.

Portis is the lead plaintiff in an 83-player lawsuit filed Tuesday in U.S. District Court for the Southern District of Florida. Former Pro Bowl quarterback Daunte Culpepper and 1,000-yard rusher Cadillac Williams are among the other plaintiffs.

Read the story in the Washington Times