On this day (13 December) in 2023 goals from Micah Hamilton (a debut goal!), Oscar Bobb (his first for City) and Kalvin Phillips brought City a 3-2 victory at Belgrade. You can watch highlights here:
https://www.mancity.com/citytv/mens/match-highlights-red-star-2-3-man-city-63838096
Gary James' Football Archive 