Pep Guardiola has urged his Manchester City players to 'kill him' in order to persuade him they are worthy of a Champions League final starting place.
Guardiola has challenged his City players to show focus on and off the pitch in the two weeks leading up to the showpiece final vs Chelsea, saying he wants to see how they act under pressure, how they are defensively, and how they conduct themselves in training.
After that, he says, he will pick the best team to beat Chelsea, depending on the approach he elects to take, as he highlighted the importance of using the five substitutes available to him in the Champions League.
Potentially, that could allow 16 players to feature in the final, but there are at least 19 players who could feel like they deserve to play in Porto.
Simple maths concludes that 19 into 16 doesn't go - and the reality is that eight of the starting places are pretty much guaranteed.
Ederson is a certain starter, as is Ruben Dias and likely John Stones. Kyle Walker, albeit clumsy at Newcastle, should play at right-back, while Kevin De Bruyne and Ilkay Gundogan will play if they are fit. Given their recent form and performances in the quarter-finals and semi-finals, it would be surprising not to see Riyad Mahrez and Phil Foden start.
So that leaves 11 players competing for the final three starting spots and five substitute options.
At left-back, Joao Cancelo and Aleks Zinchenko played one leg of the semi-final each, and will be battling for that final defensive spot. Cancelo has been given chances to play his way back into form recently, but is yet to match his purple patch earlier in the season - so much so that left-back is his best avenue into the team vs Chelsea. His goal and assist vs Newcastle will help.
Aymeric Laporte will also battle for a starting spot, and left-back might be an option, depending on how Guardiola wants to utilise his full-backs.
Similar to Cancelo, Rodri would have been a dead-cert to feature a month or two ago, but appears to have fallen out of favour with Guardiola and Fernandinho has been preferred in the 'bigger' games recently. Maybe Rodri would get the nod against a non-English team, but Fernandinho knows Chelsea and their players, and could be key to combating the threat of N'Golo Kante and their runners from midfield.
That leaves one place left - the central striker role. Gabriel Jesus and Sergio Aguero will be vying for a start, although given Aguero's fitness troubles a substitute appearance might be more suited for signing off with that fairytale Champions League winner's medal he said he wouldn't leave City without.
Bernardo Silva's pressing has been crucial to City's knockout wins so far, and rotates well in the false nine position with Kevin De Bruyne. Nobody has offered a convincing alternative to that combination so far so Bernardo is surely favourite to take that final attacking spot.
If Ferran Torres continues his hat-trick form, he might rival Bernardo, or offer an energetic option from the bench, while Raheem Sterling probably needs two more good performances in the league to displace Foden or Mahrez.
Guardiola has left the door open for players to change his mind, but some players will know that challenge will be harder to achieve than others.