sentence1: The runner-up goat was Falcons Coach Dan Reeves, whose defeat at the hands of his former quarterback (Elway) and an assistant coach he fired seven years ago (Broncos Coach Mike Shanahan), made Reeves 0-4 in the Super Bowl.
sentence2:  The Falcons lost to their coach Dan Reeves' former quarterback, Elway, and an assistant coach he had fired some years earlier.