He played college football for the University of Florida, where he was a member of the Gators' 2006 national championship team.

He was chosen by the San Diego Chargers in the seventh round of the 2007 NFL draft, and also played for the Kansas City Chiefs.

[6][7] Siler, who also served as the backup long snapper, earned a spot on the Chargers roster.

He was placed on the injured reserve list due to an Achilles tendon rupture on August 25, and appeared in no games during the 2011 season.

In five NFL seasons, Siler played in 74 games, started 16 of them, and compiled 180 tackles, two interceptions, and three recovered fumbles.