Ken Westerfield
Disc sports such as freestyle , double disc court , guts , ultimate and disc golf became this sports first events . 
<triplet> freestyle <subj> double disc court <obj> subclass of <triplet> guts <subj> double disc court <obj> subclass of <triplet> ultimate <subj> double disc court <obj> subclass of <triplet> disc golf <subj> double disc court <obj> subclass of