However , he suffered a foot injury during the last game of the preseason , and he was placed on the injured reserve list , ending his 2010 season .
Casillas was expected to take over as the Saints ' starting weakside linebacker for the 2010 season .
Casillas suffered a foot injury during the last game of the preseason , and Casillas was placed on the injured reserve list , ending Casillas ' 2010 season .
Casillas was expected to take over as the Saints ' starting weakside linebacker for the 2010 season .