Biggest Retirements of 2012

Holt may not have played a single down of professional football since 2009, but the longtime star wide receiver officially announced his retirement on April 4 as a member of the St. Louis Rams. Holt signed a one-day contract with St. Louis, the team for which he played the majority of his career. The 35-year-old played 10 seasons with St. Louis before spending one year with Jacksonville in 2009. In total he hauled in 920 passes for 13,382 yards and 74 touchdowns.