Wenger has been credited with promoting the importance of diet and nutrition in football and advocating the principle that the sport ought to be entertaining on the pitch. The signings of Patrick Vieira, Emmanuel Petit, Marc Overmars and Nicolas Anelka, combined with the club's many experienced players, helped Arsenal win the double in 1997–98. Wenger led Arsenal to another double in 2001–02; his team scored in every Premier League game that season and won their remaining 13 matches to clinch the title. A year later, Wenger became the first manager since Keith Burkinshaw 21 years previously to retain the FA Cup; Arsenal beat Southampton 1–0 in the final. Wenger won his third league title in 2003–04, which earnt distinction as he guided his team to an unbeaten league season, something achieved only once before in English football, by Preston North End in 1888–89. Another FA Cup was won in 2005, this time on penalties against Manchester United. Wenger took Arsenal to their first UEFA Champions League final in 2006 and in the same year oversaw the club's relocation to the Emirates Stadium. In October 2009, Wenger surpassed Allinson to become Arsenal's longest serving manager and reflected the club were "maybe not crazy, but brave" to appoint him.