The midfield pass master joined on a free transfer in the summer of 2022 and, over the course of the next three years, racked up 107 appearances for the Reds, scoring eight goals.
The last of those strikes came in that final outing, against Aston Villa, in a 2-0 win that was capped by the Dane converting from the spot to sign off in style.
After waving goodbye to the supporters at Old Trafford, Christian took time to speak to us about his time as a Red.
"I think it was [a fitting way to finish], taking into account the season it's been," he told MUTV's Liam Bradford.