There are many complex questions being asked ahead of the Europa League final that we will only have answered until tonight (Wednesday) at San Mames.
The sort of topics fans can discuss ad nauseum without the requisite knowledge to truly understand the imponderables and intricacies that are out of reach to us supporters.
First and foremost, just how important is match fitness? Who had it right last Friday, Ruben Amorim or Ange Postecoglou? Is keeping rhythm preferable to risking injury? Should players remain fully charged or be wrapped in cotton wool?
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Press conference: Ruben, Bruno and Harry Video
Press conference: Ruben, Bruno and Harry
The fact the two bosses took such polar views for the games against Chelsea and Aston Villa respectively means it is a debate even more engaging than usual.