The Blues have won three of the previous four tournaments, including the last two, and are currently on six League Cups in total, which is one more than the five United have managed so far.
The head-to-head record between the sides is pretty even though, with three wins apiece and a draw in seven previous matches, spread across five ties.
We’ve delved into our archives for a look at each of those meetings, which usually result in the winner going on to claim the overall prize…
1969/70
Semi-finals: City 2-1 United, United 2-2 City (City win 4-3 on aggregate)
United's first-ever League Cup semi-final pitted us against Joe Mercer’s City, who had run out 4-0 derby winners at Maine Road three weeks previously, and Colin Bell struck a 13th-minute opener as the home side threatened similar domination early on.