Chelsea are one of the two big favourites to land the Premier League title, along with Manchester City, but have endured a mixed start to their season after the return of Jose Mourinho.
However, the competition to win the league is higher than ever this season and each of the main contenders will arguably have to act in January in order to continue their momentum and ensure that a title challenge is sustained.
Here, GMS Academy member Rob Johanson looks at five actions Chelsea manager Jose Mourinho must take upon the re-opening of the transfer window to ensure his side are in with a shot come May.
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