T.R. was ahead of his time. He studied Boxing, Judo , and Wrestling.
From wiki- Roosevelt had a lifelong interest in pursuing what he called, in an 1899 speech, "the strenuous life". To this end, he exercised regularly and took up boxing, tennis, hiking, rowing, polo, and horseback riding. As governor of New York, he boxed with sparring partners several times a week, a practice he regularly continued as President until one blow detached his left retina, leaving him blind in that eye (a fact not made public until many years later). Thereafter, he practiced judo attaining a third degree brown belt and continued his habit of skinny-dipping in the Potomac River during winter
regardless the guy was a bad ass here he talks about competing, this is in one of my BJJ coaches gi.