Sports Shorts

Free-agent offensive tackle Kenyatta Walker re-signed with the Tampa Bay Buccaneers.

English Premier League champion Chelsea has been invited to play in the annual Major League Soccer All-Star Game.

Running back Najeh Davenport re-signed with the Green Bay Packers.

Floyd Mayweather Jr. has relinquished his WBC super lightweight crown to compete for the IBF welterweight championship.