Ku qor sii wadida sadarkani - Horraantii 1990-meeyadii, wuxuu isu taagay mid ka mid ah kuwa ugu kalsoonida badan ciyaarta, si wax ku ool ah ayuu u tuuraa wuxuuna diiwaangeliyaa in ka badan 250 wareeg xilli kasta laga bilaabo 1991 ilaa 1993, waxaa loo xushay Ciyaarta Xiddigaha Guud ee Kubadda Cagta ee Major League mid kasta oo ka mid ah sanadahan. Wuxuu ku guuleystay 20 ciyaarood 1992 iyo 22 1993, markii uu ku guuleystay abaalmarinta American League Cy Young Award wuxuuna White Sox ku hogaamiyay xilli ciyaareedka dambe (waxay ku lumiyeen 1993 American League Championship Series
Toronto Blue Jays) ayaa u ciyaarayay. Laga soo bilaabo 1988 ilaa 1995, ERA xilli ciyaareedkiisii wuxuu si joogto ah u dhex maray 3.00 iyo 4.00, oo aad uga hooseeya celceliska horyaalka. Sannadkii 1993, wuxuu dhigay rikoor casri ah (kadib 1950kii) isagoo diiwaangeliyay go'aan kasta oo ka mid ah 27-kii kulan ee ugu horreeyay.