FILE - Miami Dolphins' head coach Don Shula, left, and Washington Redskins' defense coach Charley Winner inspect the turf at the Los Angeles Coliseum before the start of Super Bowl game on Jan. 14, 1973 in Los Angeles. The 1973 game was the last Super Bowl held at the Coliseum, which originally was built for the 1932 Summer Olympics and remodeled several times. (AP Photo/File)