As two of England's most seasoned top flight campaigners, Liverpool and Arsenal have battled in some memorable clashes. With two more in the space of eight days looming, FIFA.com recalls five of their best.
Oscar Cardozo's double helped Benfica to a 3-1 win against Fenerbahce, which pushed the Portuguese league leaders through to the UEFA Europa League final 3-2 on aggregate.
Fenerbahce secured a 1-0 victory over Benfica courtesy of a goal from Egeman Korkmaz, making up for a missed penalty from Cristian Baroni on the stroke of half-time, to give them control of their UEFA Europa League semi-final.
Fernando Torres' brace put Chelsea past Rubin Kazan 3-1, while Tottenham Hotspur rallied to draw 2-2 with Basel and Benfica beat Newcastle United by the same scoreline in Thursday's UEFA Europa League quarter-finals.
PSV Eindhoven thrashed in-form Napoli 3-0, Udinese produced an upset against Liverpool, Marseille returned to fine form with five goals, and Fenerbahce recorded a 4-2 victory at Borussia Monchengladbach.
Raul Meireles has revealed former Liverpool team-mate Dirk Kuyt persuaded him to join Fenerbahce, insisted the Turkish giants are as big as Chelsea, and discussed his determination to win trophies with his new club.