(2) Jack Johnson is seen here during a ring workout in preparation for a defense of the World “Colored” Heavyweight” title . Johnson before actually winning the legitimate world championship primarily fought only black or Latin fighters because of the restrictions that prevailed within the sport of boxing at the time . The sport was was a closely monitored and controlled by primarily white businessmen and organized gambling , who sought no participation whatsoever at any level by minority fighters or trainers . As with all of the major sports’ recreational activities , segregation dominated the landscape completely . In many cases there were legal statutes on the books around the country restricting mixed sports between Caucasians and minorities of any ethnicity . AP/REUTERS archives ….