"Carolina Panthers tight end Jeremy Shockey, who played for the New Orleans Saints for three seasons before getting cut after the 2010 season, took to his Twitter account Monday morning to apologize for running off the field Sunday afternoon without shaking the hands of his former teammates.

"I hold myself accountable. It was a classless move by me. No one takes losses worse than me," Shockey wrote on his Twitter account Monday morning. In another entry he wrote:

"All the rings I won from high school, college, and in the pro level really means nothing.. Competing means everything!!""