A squad of 19 outfield players is theoretically well capable of doing the job, but it simply makes sense, in light of events this season, to ensure that injuries cannot be allowed to derail things quite so badly by increasing the squad size to at least 21 outfield players.
One new midfielder to cover for Essien and Mikel, one new target man to cover for Drogba.
Outside of that we could do with a new centreback, rightback and possibly more competition in the wide position.
If somebody was to come in with relatively large offers for Shevchenko and Shaun Wright Phillips I would be inclined to accept them if we have good replacements ready or in mind.
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