(Philadelphia, PA)  --  A former member of the Seattle Seahawks' vaunted "Legion of Boom" defense is retiring from the NFL.  Walter Thurmond confirmed the ESPN report in a tweet yesterday, saying he's leaving the game after only six seasons.  Thurmond, who was drafted by Seattle out of Oregon in 2010, was a member of the Super Bowl 48 champions and spent the past two seasons with the Giants and Eagles, respectively.  The "Philadelphia Daily News" reports Thurmond has aspired to be a film director and has been working on a documentary about recording artist Eddie Levert.