 Nyorai kupfuurira kweiyi ndima - Schierholtz akasarudzwa mukutenderera kwechipiri neGiants kubva kuChabot College muna 2003. Akasvika kumakwikwi makuru muna 2007, achirova pamusoro pe.300 munguva shoma yekutamba. Akapedza yakawanda ya2008 ari mumaligi maduku asi zvakare akarova pamusoro pe.300 paakadanwa muna September. Schierholtz akamiririrawo United States of America paMitambo yeOlympic yegore iroro. Muna 2009, akapedza mwaka wose neGiants, achioneka mumitambo inopfuura zana uye achitanga kurudyi. Schierholtz aiva Giants kutanga rworudyi fielder kuti zvikamu 2010 asi akagumisa gore sezvo kuzvidzivirira yokutsiva nokuda Pat Burrell. Akakunda World Series yake yokutangasezvo maGiants akakunda maTexas Rangers nokuda kwokutanga kwavo zita reWorld Series mumakore 56. Muna 2011, akanga ari Giants kutanga kurudyi fielder kwechikamu chikuru chegore, kusvikira gumbo rakaputsika rakamubvisa pakupera kwaNyamavhuvhu. Kunyange zvazvo yakashandiswa semutambi wekutanga kurudyi mu2012, Schierholtz akati mubvunzurudzo munaJuly kuti maneja weGiants Bruce Bochy haana kufunga nezvake semutambi wezuva nezuva. Nguva pfupi yapfuura, akatengeswa kuPhillies, kwaakapedza gore. MaGiants akakunda World Series zvakare ndokumupa mhete yeWorld Series yemipiro yake yapfuura. 