Jaguars sign center/guard Antoine Caldwell

The Jaguars have added an experienced interior lineman who can play center and guard. The club has reached a deal with former Texans and Bills offensive lineman Antoine Caldwell, the club’s website said Wednesday. In a corresponding roster move, the club waived center Matt Stankiewitch with an “injured” designation, per Jaguars.com. The 28-year-old Caldwell has…