NEW ORLEANS (AP) — Nearly a dozen former NFL players living in Louisiana have sued the NFL, the latest players to accuse the league of failing to protect players from the risks associated with concussions.

Several former New Orleans Saints players, including John Fourcade, are among the 11 ex-players named as plaintiffs in the class-action lawsuit filed Friday in federal court in New Orleans. The lawsuit says each of them has developed mental or physical problems from concussions or concussion-like symptoms.

Several similar suits blaming the NFL for concussion-related dementia and brain disease already have been consolidated in Philadelphia. James Dugan, a lawyer for the former players from Louisiana, said he expects the case to be transferred to Philadelphia within a month.

The NFL has vowed to vigorously defend itself against the suits.

Football helmet manufacturer Riddell Inc. also is named as a defendant in the lawsuit filed in New Orleans.