Pep Guardiola made wholesale changes from the side that beat Liverpool in midweek, with Kevin De Bruyne returning to the line-up as captain while goalkeeper Ederson, John Stones and Raheem Sterling were the only three players who were not reshuffled. Always we try to put water (on the pitch) but it's not necessary here with the weather.
The Gills have already taken part in lower-key trials ahead of VAR's introduction in the Premier League.
Sources told ESPN FC that Brahim was frustrated by a lack of first-team opportunities but Guardiola said young players must be patient at leading clubs.
"We are in the semi-finals, one step closer to going back to Wembley". We want to cut the field all the time for 10 years, so it's better conditions for both teams.
"What we want and what we offer them is the chance to train with us and to earn the opportunity".
"When this happens, you do the best for opponents".
"I never speak with the groundsmen.how many issues do I have in my head to think about the pitch?" I trust the groundsman. "I never made a phone call to say "do this to damage our opponents".
Burton Albion are the first team from the third tier of English football to reach the semi-finals of the League Cup competition since Sheffield United, then managed by Clough, in 2014-15.
Fast forward a few years down the line and Diaz will be sharing a dressing room with Isco having just signed for Real Madrid in a £22 million move.
The 19-year-old was highly rated by the club but has followed winger Jadon Sancho out of the Etihad after the England global left in the summer of 2017, going on to make a huge impact at Borussia Dortmund.
"Last season he played incredible minutes but hopefully in the second leg of the season he will help us because we need him".
"What we did with Brahim we did the same with Phil [Foden] and Jadon, important players we did absolutely everything [to keep]", he continued.
Guardiola said about the assertion on the Anfield Wrap podcast: "I'm not the greenkeeper".
"Players at the age of 16 or 17 years old want a position in the first team where they will play 40 games, but this is very hard".