Last updated: 16th January 2009
Steve Clarke joined West Ham United as first team coach on the 15th September and ever since, the fragility of Chelsea;s defence has been questioned.
But how important was the former Scotland international at the west London club and can the Blues cope without him?
Clarke was a part of the coaching set up at Stamford Bridge for the first four games of the season, and when he left for east London, Chelsea were sitting pretty at the top of the league.
Luiz Felipe Scolari's side recorded three wins and a draw in those four matches, scoring nine and conceding just two.
| P | W | D | L | Pts | F | A | Points/Game | Goals A/Game | |
| With Clarke | 4 | 3 | 1 | 0 | 10 | 9 | 2 | 2.5 | 0.5 |
| Without Clarke | 17 | 9 | 5 | 3 | 32 | 31 | 10 | 1.88 | 0.59 |
Since Clarke's departure, Chelsea's faltering fortunes have left the club lying third in the league four points behind Liverpool, and if United win their game in hand, five behind them.
They have only averaged 1.88 points per game since he left as opposed to 2.5 beforehand.
In recent weeks, much has been said about Chelsea conceding from set plays and crosses, and indeed their last five goals conceded have all originated from crosses (the yellow shows fixtures with Clarke).
| Date | Scorer | Team | Goal Type | Cross |
| 31-Aug-08 | Bent | Tottenham | Open | |
| 13-Sep-08 | Robinho | Man City | Direct Free-Kick Shot | |
| 21-Sep-08 | Park | Man Utd | Open | |
| 26-Oct-08 | Bosingwa | Liverpool | Throw | |
| 30-Nov-08 | van Persie | Arsenal | Open | |
| 30-Nov-08 | van Persie | Arsenal | Free Kick | |
| 14-Dec-08 | Bellamy | West Ham | Open | |
| 28-Dec-08 | Dempsey | Fulham | Free kick | Cross |
| 28-Dec-08 | Dempsey | Fulham | Corner | Cross |
| 11-Jan-09 | Vidic | Man Utd | Corner | Cross |
| 11-Jan-09 | Rooney | Man Utd | Open | Cross |
| 11-Jan-09 | Berbatov | Man Utd | Free Kick | Cross |
Seven of Chelsea's nine goals conceded have come from set pieces; accounting for 58% of their total goals conceded, the second highest percentage, behind only Manchester United.
Many feel that Clarke's departure has resulted in a lack of discipline and increased confusion at the back and these statistics go some way to supporting that.
| Time | Fixture |
|---|---|
| Saturday 21st November | |
| Barclays Premier League | |
| 12:45 | Liverpool vs Man City |
| 15:00 | Birmingham vs Fulham |
| 15:00 | Burnley vs Aston Villa |
| 15:00 | Chelsea vs Wolverhampton |
| 15:00 | Hull vs West Ham |
| 15:00 | Sunderland vs Arsenal |
| 17:30 | Man Utd vs Everton |
| Sunday 22nd November | |
| Barclays Premier League | |
| 13:30 | Bolton vs Blackburn |
| 15:00 | Tottenham vs Wigan |
| 16:00 | Stoke vs Portsmouth |
| Wednesday 25th November | |
| Barclays Premier League | |
| 19:45 | Hull vs Everton |
| 20:00 | Fulham vs Blackburn |
| Saturday 28th November | |
| Barclays Premier League | |
| 15:00 | Blackburn vs Stoke |
| 15:00 | Fulham vs Bolton |
| 15:00 | Man City vs Hull |
| 15:00 | Portsmouth vs Man Utd |
| 15:00 | West Ham vs Burnley |
| 15:00 | Wigan vs Sunderland |
| 17:30 | Aston Villa vs Tottenham |
| Sunday 29th November | |
| Barclays Premier League | |
| 12:00 | Wolverhampton vs Birmingham |
| Time | Result |
|---|---|
| Monday 9th November | |
| Barclays Premier League | |
| Liverpool 2 - 2 Birmingham | |
| Sunday 8th November | |
| Barclays Premier League | |
| Hull 2 - 1 Stoke | |
| Wigan 1 - 1 Fulham | |
| Chelsea 1 - 0 Man Utd | |
| West Ham 1 - 2 Everton | |
| Saturday 7th November | |
| Barclays Premier League | |
| Aston Villa 5 - 1 Bolton | |
| Blackburn 3 - 1 Portsmouth | |
| Tottenham 2 - 0 Sunderland | |
| Wolverhampton 1 - 4 Arsenal | |
| Man City 3 - 3 Burnley | |
| Wednesday 4th November | |
| Barclays Premier League | |
| West Ham 2 - 1 Aston Villa | |
| Sunday 1st November | |
| Barclays Premier League | |
| Birmingham 0 - 0 Man City | |
| Saturday 31st October | |
| Barclays Premier League | |
| Arsenal 3 - 0 Tottenham | |
| Everton 1 - 1 Aston Villa | |
| Fulham 3 - 1 Liverpool | |
| Burnley 2 - 0 Hull | |
| Stoke 2 - 2 Wolverhampton | |
| Portsmouth 4 - 0 Wigan | |
| Man Utd 2 - 0 Blackburn | |
| Sunderland 2 - 2 West Ham | |
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