John Stones and Ruben Dias played much of the last campaign as the regular central defensive partnership, but this term has seen Aymeric Laporte playing often as the manager uses different combinations for different games.
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At his post-match press conference, the boss, when asked when he’d named a different pair for the eight game in a row, said: "There is no reason why.
"I would like Nathan to play more than he is playing but Aymer is playing really well.
"For this specific game, John was not quite well the last two days. He was a little bit sick, with a fever after the game with PSG. That’s why we played Aymer.
"He is suspended for the game against Aston Villa, so [it’s] a new chance for the other guys."
Watch Pep’s full post-match press conference on the video above.