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Top NFL players that were former walk-ons

Every college team has at least a handful of guys that began their careers as walk-ons, and every year, some of them are selected in the NFL draft. And some end up stars in the NFL.

One such star decided to call it a career Tuesday. Steelers CB Ike Taylor announced his retirement from the NFL after a productive 12-year career. Taylor, 34, was with Pittsburgh for two Super Bowl wins and three conference titles.

Taylor joined Louisiana-Lafayette as a junior walk-on in 2002. He quickly earned a scholarship as a tailback that season, then moved to corner as a senior in 2003. His athleticism led the Steelers to take him in the fourth round in 2003.

News of Taylor's retirement spurred us to take a look at the 10 best active NFL players who started their college careers as walk-ons.