New Orleans Saints Executive Vice President/General Manager Mickey Loomis announced Sunday that the club has signed linebacker Jo-Lonn Dunbar to the active roster and terminated the contract of center Matt Lehr.

Dunbar, a rookie linebacker from the Boston College, signed with the Saints as a rookie free agent in April. The 6-foot, 226-pound native of Syracuse, N.Y. played in all four of the team's preseason games this summer, making 16 tackles on defense and three more on special teams before being waived in the final round of cuts. He was re-signed to the practice squad September 1 and practiced with the team this week.

Lehr signed with team as a free agent this offseason after playing in 2007 with the Tampa Bay Buccaneers. The 6-2, 290-pound veteran offensive lineman saw action in all four preseason games as a reserve center.