Rubuta ci gaba don wannan sakin layi - Frolík ya buga wasanni biyu a cikin Czech Extraliga don Rabat Kladno kafin a zaba shi na goma a cikin 2006 NHL Entry Draft
da Florida Panthers suka yi. Yayinda yake wasa a Kladno, Frolík ya sami laƙabi da "The Baby Jágr" saboda irin salon wasan da yake yi da kuma kamanninsa ga Jaromír Jágr, wanda shi ma ya buga wa Kladno a farkon aikinsa. Don ƙarawa zuwa kamaninsa mai ban mamaki, Frolík, wanda ya ambaci Jágr a matsayin abin koyi, ya sa # 68 a sansanin Panthers 'rookie.