The Blues decided against signing the Atletico Madrid shot-stopper in the summer of 2018, a decision that they may live to regret on Tuesday

When Chelsea line up to face Atletico Madrid in the Champions League last 16 on Tuesday, they will be forced to face the ghosts of transfer decisions past.

The Blues will start with Edouard Mendy between the posts, with the world’s most expensive goalkeeper, Kepa Arrizabalaga, again forced to watch on from the substitutes’ bench.

At the other end will be Jan Oblak, a player so crucial in deciding results that his manager Diego Simeone has likened his impact to Lionel Messi.

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