Carlo Cudicini: Forget the wealth of talent now on show on the park at Stamford Bridge - most Spurs fans will pinpoint Carlo Cudicini as the man we have to beat on Saturday. We managed to do that once in two draws last season but the Italian goalkeeper was the difference between us taking six points with a string of saves, including one of the saves of the season to deny Jamie Redknapp at the Lane. Turned 30 this week, moved to Chelsea after spells at Milan, Lazio and Castel di Sangrio in Italy. Seen by many as the Premiership's number one last season.
John Terry: England's future in central defence and another product of the famous Senrab youth club in East London - also home to the likes of Bobby Zamora, Ledley King and Paul Konchesky. Barking-born, made his debut in 1998 and seen as both future captain of Chelsea and, possibly, England - an honour he's already had at U21 level. Also has two full caps. Made over 100 first team appearances already at the age of 22. Strong in the air and tackle, a yard of pace and good on the ball - just imagine what he's learned playing alongside Marcel Desailly for the last few years.
Frank Lampard: Has taken the step up to international class after lingering on the fringes of the England squad for the last few years, underlined by his spectacular strike against Croatia. Followed his father Frank's footsteps into West Ham's first team at the age of 18 and went on to make almost 200 appearances alongside the likes of Rio Ferdinand and Joe Cole. Started quietly at Stamford Bridge afer a huge £11m move last summer but getting better and better. Now 25, he's Jamie Redknapp's cousin, so expect a few friendly clashes in the centre of midfield.
Damien Duff: Dazzling winger seen by many, certainly his Irish team-mate Robbie Keane, as the top recruit in Chelsea's summer revolution. Cost a whopping £17m from Blackburn where he made over 200 appearances, including 157 starts in the Premiership. Still only 24, he had already caught the eye in the Premiership when his performances in the 2002 World Cup alongside Keane made him a worldwide star in the game. Now has 36 caps to his name, scoring four goals. Lightning fast off the mark, able to dribble left or right, he can play on either flank or even through the middle.
Hernan Crespo: Argentinian striker, arguably the most famous of the newcomers at Stamford Bridge, the striker arrived late in the day from Inter Milan. Finished top scorer in Serie A with 24 goals for Lazio in 2000-01 having moved from Parma for a then world record £35m. Moved to Inter, where he scored 15 goals last season and won the European Cup. Now 28, scored on international duty for Argentina against Venezuela this week. Cost Chelsea £16.8m and has made just one substitute appearance in his short stay - could make his full debut against us on Saturday.
We take a look at five key men in the Chelsea ranks before Saturday's Premiership clash at Stamford Bridge.