After a 12-year career that spanned three franchises -- the St. Louis Rams, New York Giants and Arizona Cardinals  -- two-time MVP quarterback Kurt Warner announced his retirement at 38. He finished with a career 32,344 yards passing and 208 touchdowns in a storied career that saw him go from working as a grocery store clerk to playing in the Arena Football League and NFL Europe before joining St. Louis in 1998. He led the Rams to a Super Bowl win in 2000, took them back to the big game in 2002 and led the Cardinals to the Super Bowl in 2009.
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