ku dhameystir weedhan soo socota: waxa uu ku dhashay kuna soo barbaaray San Diego, California, Prior waxa uu qabtay Tom House si uu u noqdo macalinkiisa kubbada cagta dugsiga sare. Xilli ciyaareedkii uu ka soo qaatay Jaamacadda Koonfurta California, halkaas oo uu ku guuleystay abaalmarinta Golden Spikes Award, wuxuu arkay isaga oo noqday mid ka mid ah rajada ugu sareysa ee ku saabsan qorista MLB ee 2001, markii uu ahaa kii labaad ee guud ee ay doorteen Cubs. Wuxuu sameeyay lix kulan oo kaliya horyaalada hoose ka hor inta uusan la ciyaarin kooxda 2002. Sannadkii 2003, wuxuu kaalinta saddexaad ka galay National League (NL) Cy Young Award codbixinta, isagoo ka mid ahaa hoggaamiyeyaasha 18 guul, celcelis ahaan 2.43 rikoor (ERA), iyo 245 garaacis. Wuxuu ka caawiyay Cubs inay ku guuleystaan horyaalka dhexe ee NL, wuxuu ka adkaaday Greg Maddux taxanaha qaybta NL wuxuuna ku guuleystay ciyaarta 2aad ee taxanaha horyaalka NL, laakiin wuxuu ku jiray mound-ka ciyaarta 6aad markii
Steve Bartman wuxuu ka hor istaagay Moisés Alou inuu qabto kubbad khalad ah (Bartman wuxuu ka mid ahaa taageerayaasha dhowr ah ee isku dayay inay qabtaan kubbadda khaladka ah ee si cad ugu jirtay fadhiga).