 The 1991 Cardinals suffered from a very tough schedule playing in a powerful NFC East that provided the first four Super Bowl winners of the 1990s, and seven of ten between 1986 and 1995.Football statistics site "Football Outsiders" calculated that the 1991 Cardinals played the second-toughest schedule based on strength of opponent of any NFL team between 1989 and 2013, although "Pro Football Reference" argues that the 1991 Cardinals suffered the ninth toughest non-strike schedule since 1971.The Cardinals played just two games against opponents with losing records – both amongst their first five games and both won – whilst ten opponents including all their last five finished 10–6 or better.