Pedzisa mutsara unotevera: Ristolainen akaita NHL yake yekutanga neBuffalo Sabres pausiku hwekuvhura mwaka wa2013/14, musi wa2 Gumiguru 2013, vachipesana neDetroit Red Wings. Akawana chinangwa chake chekutanga cheNHL mumwedzi iwoyo, musi wa25 Gumiguru achipesana naJacob Markström weFlorida Panthers. Musi wa 5 Ndira 2014, Ristolainen akarova mukwikwidzi wenguva yakawedzerwa mumutambo wekupedzisira we
2014 World Junior Ice Hockey Championships vachipesana neSweden yakanga isati yarohwa, ichipa Finland menduru yegoridhe. Akawana rake rekutanga NHL hat-trick musi wa 10 Zvita 2015 vachipesana neCalgary Flames. Mukuita kudaro, akava mudziviriri wekutanga weSabres kuti awane hat-trick kubvira Hockey Hall of Famer Phil Housley akaita saizvozvo mumwaka wa1987-88.