Cika wannan jumla: A ranar 31 ga Yuli, 2009, an yi musayar sa da New York Yankees don karamin mai karɓar Chase Weems. A ranar 1 ga Agusta, 2009, Hairston ya sami nasararsa ta farko da RBI a matsayin Yankee. A ranar 17 ga Oktoba, 2009, ya samu nasarar buga wasan farko a kakar wasa ta farko a kakar wasa ta farko a kakar wasa ta farko kuma daga bisani ya kawo karshen wasa na 13.
ALCS Game 2 ta hanyar zira kwallaye a kan kuskuren da Mala'iku 'Maicer Izturis. Wannan ya baiwa Yankees damar samun nasara ta 2-0 zuwa wasa na uku na jerin. Ya sami bugun jini 1 a cikin 6 a-bats don Yankees a cikin Wasannin Duniya na 2009. A cikin rabin kakar wasa tare da Yanks, ya buga.237 tare da 2 homeruns da 12 RBIs a cikin wasanni 45.