▁War rior . ▁S ánchez ▁previously ▁worked ▁for ▁As ist encia ▁As es or ía ▁y ▁Admin istra ción ▁( AA A ) ▁as ▁M ini ▁Ps icos is , ▁a ▁smaller ▁version ▁of ▁the ▁wrest ler ▁Ps icos is . ▁Working ▁in ▁the ▁M ini ▁division ▁does ▁not ▁necessarily ▁mean ▁that ▁S ánchez ▁has ▁d war f ism ▁as ▁several ▁short ▁wrest lers ▁work ▁in ▁the ▁" M ini " ▁division , ▁which ▁is ▁what ▁separ ates ▁the ▁Mexican ▁M ini - Est rel la ▁from ▁traditional ▁M idget ▁wrest ling ▁as ▁pract iced ▁in ▁the ▁United ▁States ▁and ▁other ▁places . ▁ ▁Professional ▁wrest ling ▁career ▁S ánchez ▁trained ▁for ▁his ▁professional ▁wrest ling ▁career ▁under ▁S ap rian ▁Pet rov , ▁Pan ch ito ▁Vill al ob os , ▁and ▁Ch ico ▁Hern à nd ez ▁before ▁making ▁his ▁wrest ling ▁debut ▁on ▁December ▁ 1 , ▁ 1 9 9 5 . ▁Later ▁he ▁received ▁further ▁training ▁from ▁Gran ▁C och isse ▁and ▁Art uro ▁Ber ist ain ▁at ▁the ▁Gu adal aj ara , ▁J alis co ▁wrest ling ▁school . ▁ ▁As ist encia ▁As es or ía ▁y ▁Admin istra ción ▁( 1 9 9 5 – 2 0 0 7 ) ▁S ánchez ▁made ▁his ▁debut ▁for ▁As ist encia ▁As es or ía ▁y ▁Admin istra ción ▁( AA A ) ▁on ▁December ▁ 1 , ▁ 1 9 9 5 , ▁under ▁the ▁ring ▁name ▁" M ini ▁Ps icos is ", ▁a