San Diego Chargers - Wikipedia
Luis Castillo - Seattle Mariners Starting Pitcher - ESPN
Catching up with former Charger Luis Castillo at MLS event
Luis Castillo Released by Chargers - East Idaho News
File:US Navy 090821-N-0483R-040 Capt. Ricky L. Williamson
Coaches plot ways to maximize Castillo's pass-rushing ability
Luis Castillo - Seattle Mariners Starting Pitcher - ESPN
2012 San Diego Chargers Schedule: Full Listing of Dates, Times and
San Diego Chargers Release Veteran Defensive Lineman Luis Castillo
Team Preview: San Diego Chargers - NFL - ESPN
Former SD Charger Luis Castillo on disconnecting from sports & how