Top 10 NFL free agents of all time.
FILE - In this Jan. 4, 1998, file photo, Green Bay Packers Reggie White moves in on the Tampa Bay defense in the NFC Divisional Playoff game in Green Bay, Wis. The NFL wouldn't be the gigantic force it is in society and sports today without free agency empowering most players with freedom and fortune and endowing most long-suffering franchises and their fans with hope. The first offseason featuring modern free agency was in 1993, and it produced the most significant free agent signing in NFL history: Reggie White (AP Photo/Charles Krupa, File)
FILE - In this March 20, 2012, file photo, new Denver Broncos quarterback Peyton Manning, center, is flanked by Broncos owner Pat Bowlin, left, and vice president John Elway during a NFL football news conference at the team's headquarters in Englewood, Colo. Manning was coming off neck fusion surgery that sidelined him in 2011 when the Colts released him so they could turn their team over to rookie Andrew Luck. Despite the uncertainty over his health, Manning was courted by several teams and chose the Broncos. (AP Photo/Ed Andrieski, File)
FILE - In this Aug. 31, 2006, file photo, New Orleans Saints quarterback Drew Brees looks to throw during a preseason football game against the Kansas City Chiefs in Kansas City, Mo. Brees hit the open market at age 27 in 2006 after he sustained a serious injury to his throwing shoulder in the 2005 season finale. He chose New Orleans, which itself was making a comeback from Hurricane Katrina. (AP Photo/Ed Zurga, File)