Junior (2010): Played in all 14 games... Totaled five tackles on the year, including two solos against Marshall.
Sophomore (2009): Saw time in all 13 games... Notched a tackle against SFA;
Freshman (2008): Played in the first five games, starting at Texas Tech... Had five stops against the Red Raiders... Notched three tackles and a pass breakup in the season opener at Rice; 2007: Redshirted... A member of the C-USA Commissioner's Honor Roll.
Prep: A two-year letterwinner at Allen, where he earned All-District 9-5A linebacker accolades as a senior... Also an academic All-State selection... Lettered in track and powerlifting as well.
Personal: Son of Carmen and Leonardo Castro, Jr.... Father is an SMU alumnus... Majoring in Economics.