Left-back has been Manchester City's problem position for a number of years now.
Angeliño — now at RB Leipzig — was Pep Guardiola's last purchase in that particular area of the field back in 2019. Since then, a number of players have had to unnaturally fill that position, including Oleksandr Zinchenko, Fabian Delph and Joao Cancelo.
After the signings of Erling Haaland and Kalvin Phillips, it was clear City's next target was (finally) going to be a left-back, and it looked for a while like Brighton's Marc Cucurella was the prime candidate. However, despite months of talks, it's clear the Blues were not willing to meet Brighton's asking price and the Spaniard looks destined to join Chelsea.
