Mezue ahịrịokwu na-esonụ: A họpụtara Kozma na Triple-A iji malite oge 2012. A kpọghachiri ya na ndị Kadịnal na August 31, 2012, mgbe Rafael Furcal nọ na ndepụta ndị nwere nkwarụ. Kozma nyere ndị Cardinals akara aka na egwuregwu nke ise nke 2012 National League Division Series (NLDS) na Washington Nationals. N'oge NLDS, ọ gbara ọsọ n'ụlọ - nke mbụ ya na MLB postseason - wee gbaa ọsọ ise. Kozma gbara.227 n'oge
NLCS megide San Francisco Giants ma gbakwunye otu ebe ezuru ohi. N'agbanyeghi na ha nwetara mmeri egwuregwu 3 ruo 1 na usoro ahụ, ndị Cardinals tụfuru usoro ahụ na egwuregwu nke asaa na ikpebi.