Chelsea boss Andre Villas-Boas has the worst win rate at Stamford Bridge in over a FIFTEEN YEARS. AVB has only a 17 per cent win rate from his last six games, while Carlo Ancelotti's was 50 per cent in the run-up to his exit last May.

CHELSEA BOSS WIN RATES 1992-2012

Guus Hiddink (2009) - Win Rate 73% P22 W16 D5 L1 F41 A19

Jose Mourinho (2004-07) - Win Rate 68% P182 W123 D39 L20 F326 A115

Avram Grant (2007-08) - Win Rate 67% P54 W36 D13 L5 F97 A36

Carlo Ancelotti (2009-11) - Win Rate 63% P107 W67 D19 L21 F238 A89

Phil Scolari (2008-09) - Win Rate 56% P36 W20 D11 L5 F66 A24

Claudio Ranieri (2000-04) - Win Rate 53% P197 W105 D46 L46 F353 A197

Gianluca Vialli (1998-2000) - Win Rate 53% P140 W74 D37 L29 F219 A123

Ruud Gullit (1996-98) - Win rate 50% P82 W41 D17 L24 F157 A108

ANDRE-VILLAS BOAS (2011- ) - Win rate 49% P39 W19 D11 L9 F69 A42