Croom's McCrory and his Sky Bet League One Burton Albion team-mates are looking forward to a first ever Carabao Cup semi-final appearance against high-flying City after defeating Middlesbrough 1-0 in their quarter-final.
A much-changed City side crushed Championship outfit Rotherham 7-0 in the third round of the FA Cup last weekend and Guardiola admits he will have to be creative with the use of his squad over the coming weeks with his team still involved in four competitions.
Guardiola said: "I'm not the green keeper! What we have to do if we believe they have a chance [to make it] is do everyting, train with us and trust us and then they, their families, their agents decide what is best for the player and that's all".
The Spain under-21 global was part of Guardiola's first team squad, despite not playing any minutes in the Premier League or Champions League, but the City boss has no plans to sign a replacement.
"I have many other issues to think about that".
Asked if he was disappointed to lose Diaz, Guardiola said: "No".
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Bolton said there was no timetable for the United States withdrawal from Syria but that there was not an unlimited commitment. He defended the legal basis for the deployment, saying it's justified by the president's constitutional authority.
Foden, Sancho and Diaz were regarded as City's three best prospects of their generation, but the club has seen Jadon Sancho leave for Borussia Dortmund and Brahim Diaz head to the bright lights of Real Madrid.
City cut Liverpool's advantage at the top to four points with a win that was secured through goals from Sergio Aguero and Leroy Sane last Thursday night. "If players want to stay, the door is always open for them". I never did [request long grass against Liverpool].
"Real Madrid are the best club in the world and you have to perform at the highest level every week", he said to Madrid's official television channel.
"The only one who made a decision to stay is Phil [Foden]".
City left back Benjamin Mendy is ready to return from a knee injury before the end of the month, while City are in discussions over a new contract with centre half Vincent Kompany. I've never made a phone call to one to say do this kind of thing to damage our opponents'. Hopefully, in the last part of the season he is able to help us because we need him.