INDIANAPOLIS (AP) — The family of Colts owner Jim Irsay says that he has placed himself in a treatment facility after police found multiple prescription drugs in his vehicle during a traffic stop. The 54-year-old Irsay faces preliminary charges of misdemeanor driving while intoxicated and four felony counts of possession of a controlled substance. He was arrested near his home in suburban Carmel late Sunday and released the next day.

UNDATED (AP) — Carolina quarterback Cam Newton will undergo surgery Wednesday on his left ankle and will be sidelined for four months. The team says the three-year NFL veteran has experienced soreness in the ankle since the end of last season.

Also in the NFL:

— The New England Patriots have announced the re-signing of wide receiver Julian Edelman, who caught a career-high 105 passes with six touchdowns after Wes Welker left for the Denver Broncos before last season. The announcement came three days after a post on Edelman's Twitter account said, "Foxboro is home. Excited to be back." The Patriots did not disclose details of the contract, reportedly worth $17 million over four years.

— The Dallas Cowboys have agreed to terms with Henry Melton, the third defensive lineman to join them in free agency since the release of franchise sacks leader DeMarcus Ware.

— Mario Manningham is returning to the New York Giants after two seasons with San Francisco.

— The Jacksonville Jaguars have signed free agent receiver Tandon Doss, who led the NFL in punt return average last season with 15.6 yards.

— Safety Brandon Meriweather has re-signed with the Washington Redskins.

— The Panthers have announced the signing of two-time Pro Bowl selection and unrestricted free agent safety Roman Harper to a two-year contract.

— The New Orleans Saints have re-signed receiver Joseph Morgan for one year and have agreed to a four-year deal with free agent fullback Erik Lorig (LOHR'-ihg).

— And free-agent guard Richie Incognito has made his first public comments since undergoing treatment in the wake of the team's bullying scandal, tweeting that he looks forward to landing a spot with an NFL team as soon as possible.