Contract: Third contract with Bears -- four years, $22.4 million
Years of service with Bears: 2010-present
Recap: The Bears viewed Jennings as a placeholder when they initially signed him to a two-year deal in 2010 after he played the first four years of his NFL career in Indianapolis. Three contracts later, Jennings is a two-time Pro Bowl selection and considered one of the defense's top performers. In four years in Chicago, Jennings has 287 tackles, 16 interceptions, 45 pass breakups and five forced fumbles in 58 starts. Jennings led the NFL with nine interceptions in 2012, tied for the second most in Bears' single-season history. Not bad for a player that began 2010 as the No. 3 cornerback on the roster behind Charles Tillman and Zack Bowman.
Position: Running back
Contract: Four years, $12.5 million
Year of service with Bears: 2010
Recap: Taylor had a successful eight-year run in Baltimore and Minnesota. He even rushed for 1,216 yards in 2006 for the Vikings. But Taylor only averaged 2.4 yards per carry on 112 attempts (267 yards) in 2010. While Matt Forte flourished in the backfield en route to another 1,000 season (1,069 yards), Taylor never seemed to find a groove. Instead of paying Taylor's salary in 2011, the Bears released him. He played one more season for the Arizona Cardinals before leaving the league. Taylor's signing began a steak of bad No. 2 running backs behind Forte on the depth chart.