Hammond earned a B.S. in animal science in 1967 from the University of Kentucky, He began his career with WVLK Radio. In 1970 and for the next 10 years, he was sports director for WLEX-TV. In 1980, he was named a play-by-play announcer for Southeastern Conference basketball games. He is best known for his coverage of Thoroughbred Racing on NBC, coverage of Notre Dame Football on NBC from 1992 to 2012 and his coverage of the NFL on NBC from 1985 to 2011.
Hammond has been awarded horse race broadcasting's top honor, the Eclipse Award (Media category), in 1984 and 1996. He was awarded an Emmy Award for coverage of the 1992 Breeder's Cup. He also won Emmys for sports broadcasting in 1988 (men's and women's basketball), 1992 (Olympics coverage of track and field and diving), and 1996 (Olympics Track and Field).
He was the first recipient of the annual Outstanding Kentuckian Award given by the A.B. Chandler Foundation, is a charter member of the Lafayette High School Hall of Fame and has been inducted into the Kentucky Journalism Hall of Fame, University of Kentucky Hall of Distinguished Alumni and Kentucky Sports Hall of Fame. Inducted into the KY Pro Football HOF in 2006.