He was waived by the Bengals on August 31 , 2012 .
In December 2011 , O'Donnell signed a 2 - year extension with the Bengals .
O'Donnell was waived by the Bengals on August 31 , 2012 .
In December 2011 , O'Donnell signed a 2 - year extension with the Bengals .