Cole (CB, 5-10, 190, Northwestern) was originally signed by the Oakland Raiders as a rookie free agent on May 4, 2007, and was waived on Sept. 1, 2007. He was signed to the Titans practice squad on Dec. 11, 2007 and was signed to the active roster on Feb. 11, 2007. Cole was released on Aug. 8, 2008. He was with the Titans for three regular season contests and one playoff game. He held a brief stint with the New Orleans practice squad from Dec. 9, 2008, until his contract expired on Jan. 5, 2009.
Conover (DE, 6-5, 275, Bucknell) originally signed with the Tennesse Titans as a rookie free agent on May 5, 2006, and was promoted to the active roster on Nov. 22, 2006. In two seasons with the Titans, he played in 11 games with two starts, totaling 25 tackles, one tackle for a loss and two quarterback pressures. He was signed to the Atlanta Falcons practice squad on Sept. 1, 2008, and was released on Oct. 29, 2008. He also had a brief stint with the Baltimore Ravens practice squad.
Harris (LB, 6-0, 230, Louisville) originally signed with the Kansas City Chiefs on May 15, 2007, and was waived on July 25, 2008. In 2007, he played in 15 games, tallying two solo tackles, and led the club with 20 special teams tackles.
Robinson (DT, 6-5, 315, Akron) was originally signed by the New York Giants as a rookie free agent on May 12, 2008, and was waived on Aug. 1, 2008. As a senior, he played in 10 games with six starts and was credited with 26 tackles (16 solo), five for a loss and two sacks.