Rubuta ci gaba don wannan sakin layi - Shiga cikin 2007, Anthony Castrovince na MLB.com ya ruwaito cewa Garko zai inganta a ƙarshen tsaro don yin jerin mutane 25 saboda Indians sun riga sun sami dan wasa na farko a Casey Blake. Zuwa ƙarshen horo na bazara, manajan Indiyawan Eric Wedge ya lura cewa Garko ya inganta tsaro. Ya sanya jerin sunayen 2007 daga horarwar bazara a karon farko a cikin aikinsa. A ranar 22 ga Afrilu, Garko ya buga wasan nasara na wasa uku a saman wasan na tara a kan Tampa Bay Rays. Ya zama dan wasan farko na yau da kullun a farkon kakar wasa bayan Casey Blake ya koma na uku saboda raunin Andy Marte. Ya fara ƙin wasa tsakanin ƙungiyoyi saboda a lokacin, an sanya mai buga wasan Travis Hafner zuwa tushe na farko, wanda ya tilasta Garko zuwa benci. A ranar 18 ga Yuli, Garko ya buga wasan gida biyu a wasan na tara a kan Chicago White Sox 'dan wasan Bobby Jenks don daidaita sakamakon a biyar zuwa biyar, sannan ya shiga cikin RBI don cin nasara a wasan na goma sha ɗaya. A lokacin kakar wasa ta bana, Garko ya buga.289 tare da ninki 29, sau uku, 21 gidaje da 61 RBIs a wasanni 138. Ya kasance na uku a cikin gasar tare da buga 20 da aka buga (rikodin Indians na kakar wasa daya). A cikin postseason, ya buga.314 tare da sau biyu, daya gida gudu, da kuma biyar RBIs a wasanni tara. Indians sun ci New York Yankees a wasanni hudu a gasar zakarun Amurka kafin su rasa gasar zakarun Amurka
a wasanni bakwai zuwa Boston Red Sox.