It is no wonder Mauricio Pochettino spends most of his time watching Chelsea on the edge of the touchline with his hands clasped tightly in his pockets and a tense expression on his face.
Even with his side 2-0 up and cruising against Blackburn thanks to goals from Benoît Badiashile and a rejuvenated Raheem Sterling, the Chelsea manager was a bundle of nerves throughout what turned out to be a comfortable victory in the end.
