Manchester City have been significantly worse in the second half of Premier League games this season.
Pep Guardiola's side have scored 21 more goals than their opponents before half-time, but just five more than them after it – mainly because of conceding just six goals in the first half and 17 in the second.
They have taken 93 more shots than their opponents in the first half – but just 18 more than them after the break [across 24 second halves of football].
Their expected goals [xG] difference is +16 in the first half of Premier League games, but almost zero in the second half, which means they have given up as many good chances as they have created after half-time.