Sir Alex's men have met Benfica, Sporting Lisbon or Porto in five of the last seven Champions League campaigns and met Boavista in 2001/02.
In all, the Reds have played teams from Portugual on 23 occasions, winning 14 matches, drawing five and losing just four. None of those losses have come at Old Trafford.
Our video features highlights from many of the Champions League fixtures played in recent years, including United's trip to Porto in 2009 that yielded one of Cristiano Ronaldo's best goals for the club. We also show action from other memorbale fixtures against Benfica, Sporting Lisbon and Boavista.
United vs Braga kicks off at 19:45 BST on Tuesday 23 October.
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