Calvin Hill (born January 2 1947 in Baltimore, Maryland) is a retired American football running back who had a 12-year NFL career from 1969 to 1981. He played for the Dallas Cowboys, Washington Redskins and Cleveland Browns. In 1975 he moved to the WFL to play for The Hawaiians. Hill was named to the Pro Bowl team 4 times (1969, 1972, 1973 and 1974). Wikipedia
The definitive Wikipedia entry for Calvin Hill. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Calvin_Hill