The 10 Best Rivalries in European Football

No. 10: Benfica vs. Porto

No. 9: Tottenham vs. Arsenal

LONDON - FEBRUARY 08: Nicklas Bendtner of Arsenal skips past Jermain Jenas of Tottenham Hotspur during the Barclays Premier League match between Tottenham Hotspur and Arsenal at White Hart Lane on February 8, 2009 in London, England. (Photo by Mike Hewi

No. 8: Borussia Dortmund vs. Schalke 04

DORTMUND, GERMANY - JANUARY 30: Ewerthon of Dortmund in action against Neil Oude Kamphuis and Christain Poulsen of Schalke during the Bundsliga match between Borussia Dortmund and FC Schalke 04 at The Westfallen Stadium on 30 January, 2004 in Dortmund, G

No. 7: Manchester United vs. Liverpool

MANCHESTER, UNITED KINGDOM - MARCH 23: Wes Brown of Manchester United battles for the ball with Ryan Babel of Liverpool during the Barclays Premier League match between Manchester United and Liverpool at Old Trafford on March 23, 2008 in Manchester, Engl

No. 6: Real Madrid vs. FC Barcelona

MADRID, SPAIN - MAY 02: Lionel Messi of Barcelona (L) beats Cristoph Metzelder of Real Madrid during the La Liga match between Real Madrid and Barcelona at the Santiago Bernabeu stadium on May 2, 2009 in Madrid, Spain. Barcelona won the match 6-2. (Photo

No. 5: AC Milan vs. Inter Milan

MILAN, ITALY - SEPTEMBER 28: Julio Cruz of Inter Milan competes for the ball in the air with Paolo Maldini (R) of AC Milan during the Serie A match between AC Milan and Inter Milan at the Stadio Giuseppe Meazza on September 28, 2008 in Milan, Italy. (Ph

No. 4: Celtic vs. Rangers

GLASGOW, SCOTLAND - MAY 09: Maurice Edu of Rangers tackles Shunsuke Nakamura of Celtic during the Scottish Premier League match between Rangers and Celtic at Ibrox stadium on May 9, 2009 in Glasgow, Scotland. (Photo by Jeff J Mitchell/Getty Images)

No. 3: Lazio vs. Roma

No. 2: Fenerbahçe vs. Galatasaray

No. 1: Panathinaikos vs. Olympiakos