Erik ten Hag's men squandered a three-goal lead as the Sky Blues fought back in dramatic fashion, with Ellis Simms, Callum O'Hare and Haji Wright all netting during the second half.
With extra-time unable to decide a winner it was to be a penalty shootout, with the Reds emerging victorious by 4-2 on spot-kicks, as Rasmus Hojlund slammed home the pivotal strike.
A dramatic cup encounter, involving six goals, a late VAR intervention and a superb atmosphere is hard to sum up, but here's my best attempt as we prepare for yet another Wembley showcase date...
CASEMIRO X MAGUIRE
A midfielder by trade, Casemiro's best abilities are usually seen breaking up play and spraying passes to get United's middle-of-the-park metronome going.