What is our best formation

It would be fair to say that Marcelo Bielsa is known to be pretty set in his ways, but astonishingly, he has changed his tactical formation no fewer than five times this season so far. Whilst many of these changes have been forced upon him due to an ever-increasing injury list, it's interesting to see his thought process.

What is our best formation?



4-1-4-1

3-3-3-1

4-2-3-1

4-4-1-1

3-4-3

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