Feyenoord were the next to feel the wrath of United in a back-to-back fixture.
Hints at a points target from the back-to-back fixtures against Ajax followed.
This marked the first time since October 2011 that Scotland had fielded an identical side for back-to-back fixtures.
Teams will play either Thursday and Sunday, Friday and Monday or Saturday and Tuesday if they have back-to-back fixtures.
The group looks like a straight shootout between Racing and Northampton, which will be decided by their back-to-back fixtures in rounds three and four.
I love the back-to-back fixtures in December, playing the same opponents home and away in consecutive weeks with the hype building up.
Inter sure can't afford no funny business in Russia, with back-to-back fixtures against Dinamo Kiev next, but the real game to watch is Rangers, who drew superbly in Stuttgart last time out, at home to Sevilla.
If Foden is sidelined for 12 weeks, he could also miss the first four of Northampton's Heineken Cup group matches against Glasgow, Castres and the back-to-back fixtures with Ulster.
With back-to-back fixtures against Toulon to follow, the team that in 2012 won the European Cup for the third time in four years, the last occasion a Pro 12 team reached the final, has it all to do.
Tonight, against a Bayern Munich team with a 100 per cent record in the Bundesliga and Europe, Arsenal must fashion a win in the first of the back-to-back fixtures with the German side at the Emirates to have any chance of progressing.
They had followed every twist and try of the back-to-back fixtures in this concluding round of the Six Nations, from Wales putting 61 points on Italy in Rome at lunchtime, through Ireland's mid-afternoon rout of the Scots to a uniquely frenzied denouement at a floodlit stadium.
