Chelsea 's 1 - 0 victory over West Bromwich Albion on Sunday extended their winning streak in the Premier League to nine matches .
Chelsea 's 1 - 0 victory over West Bromwich Albion on Sunday edged them closer to Arsenal 's record run .
Chelsea 's 1 - 0 victory over West Bromwich Albion on Sunday extended their winning streak in the Premier League to nine matches and edged them closer to Arsenal 's record run .