Kammala jumla mai zuwa: Holden ya fara kakar wasa ta 2014-15 tare da Avalanche kuma ya buga wasan NHL na 100 a cikin aikinsa. Yawanci a cikin kakar wasa, an kira Holden don yin aiki a layin na huɗu na Avalanche tare da abokan wasan Marc-André Cliche da winger Cody McLeod. Ya kuma zauna a matsayin mai lafiya a lokacin yakin 2014<unk>15, ciki har da wasanni hudu a jere a watan Disamba. Duk da wannan, Holden ya kasance babban abin dogaro a cikin layin Avalanche kuma ya sake yin jerin sunayen su na dare. A ranar 25 ga Yuni, 2016, tare da sauran shekaru biyu a kan kwantiraginsa, Holden ya yi ciniki da Avalanche a 2016 NHL Entry Draft zuwa New York Rangers a musayar zagaye na 4 a cikin
Shekarar 2017.