1920 in Canadian football 1920 in Canadian football CIRFU and IRFU adopted a four-yard Interference rule while the CRU opted for three yards of Interference. ARFU played games with 12 players per side and introduced the snap-back. The reduction in the number of players was done for monetary reasons as train rates were high after World War I. The CRU would make the same changes in 1921. The MRFU champion Winnipeg Victorias were unable to field a full team for the WCRFU finals and withdrew from competition. The MRFU wanted to substitute the second place University of Manitoba Varsity team but the SRFU refused
History of African Americans in the Canadian Football League in the CFL years before the same was accomplished in the NFL. More recently, the CFL has provided opportunities for black, as well as other, Americans unable to break into the NFL. There were a small number black players in the league now known as the National Football League from its inception in 1920. Following the 1933 season, however, there were no black players in the NFL or any other major-league level professional football association, including the precursors to the Canadian Football League, until 1946. During this period, black players were confined to minor leagues and independent barnstorming teams. At