Rubuta ci gaba don wannan sakin layi - Saboda lokacin da ya faru na Grand Prix events, Mroz ya kasance a cikin gasar zakarun Amurka ta 2009
Ka yi haƙuri. A Nationals, Mroz ya sanya na 4 a cikin gajeren shirin bayan da aka ba shi bashi tare da saukowa 3A a matsayin tsalle-tsalle na axel da ake buƙata da kuma 3Lz-3T a matsayin tsalle-tsalle. Ya sanya na 2 a cikin skate na kyauta, wanda aka yaba shi da saukowa 4T da sau uku, gami da haɗin 3Lz-3T. Ya lashe lambar azurfa gabaɗaya, yana da maki 12.19 a bayan zakara da abokin horo Jeremy Abbott da maki 0.60 a gaban Evan Lysacek.