Castillo fought on May 21, 2004 at WEC 10 against future IFL Lightweight Champion Ryan Schultz and lost via TKO.
Gilberto Gil | Gil Kane | Gil Evans | Gil Bellows | Gil Shaham | Rosemarie Gil | Cherie Gil | Gil Vicente | Gil Garcetti | Gil Amelio | Gil Vicente F.C. | Gil Scott-Heron | Gil Hodges | Gil Gutknecht | Gil Elbaz | Sergio Badilla Castillo | Julian Gil | Gil-galad | Bernal Díaz del Castillo | Roberto Castillo Sandoval | Montealegre del Castillo | Jaime Castillo Velasco | Gil Thorp | Gil Portes | Gil Montandon | Gil Kerlikowske | Gil Grissom | Gil Álvarez Carrillo de Albornoz | Gerónimo Gil | Celso Advento Castillo |