Ku sii wad qodobkan - Hanifin wuxuu ahaa inuu noqdo seddexda ugu sareysa ee loo doorto 2015 NHL Entry Draft, iyo difaaca ugu sarreeya ee la qiimeeyay. Waxaa lagu soo xulay kaalinta shanaad ee guud ahaan Carolina Hurricanes. Hanifin wuxuu u ciyaaray barnaamijka USA Hockey ee U17 ee ka socda Ann Arbor, Michigan, laakiin waxaa lagu daray kooxda qaranka ee U18 isagoo ciyaartoy da'doodu ka yar tahay, isagoo ka caawiyay inuu hogaamiyo Kooxda USA bilada dahabka ah ee 2014 IIHF World U18 Championships
Waxaad Wuxuu ahaa difaaca ugu sareeya ee Mareykanka ee tartanka isagoo leh hal gool iyo shan dhibcood. Kadib markii uu si dhakhso leh u qalin jabiyay dugsiga sare, Hanifin wuxuu iska diiwaan geliyey Boston College isagoo 17 jir ah, wuxuu u ciyaaray Eagles wuxuuna noqday ciyaaryahankii labaad ee ugu da'da yaraa taariikhda kooxda.