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Diego Costa sat the bench on Saturday as Chelsea slumped to 0-0 draw in a London derby with Tottenham, an exclamation point on the fact that Chelsea needs help in their striker force. Chelsea have scored 17 goals and conceded 23 this season, as both the injury to Thibalt Courtois and the drop in form of Diego Costa have made things tough for the reigning English Premier League champions. The poor form in the English Premier League has been matched by weak Champions League performances as well and the Blues are looking for new options up top. This is a review of the top striker options for Chelsea. (Getty)