United travel to the West Midlands for the 14:00 GMT kick-off looking to follow up our successful October period with three points in our first domestic fixture of November.
The match is the first for Villa's new boss, and Fred says his arrival at Villa Park makes the Villans more unpredictable.
“They have time to train [with Emery] a little bit [before Sunday] and we need to expect a good team,” the Brazilian said in an exclusive interview with club media.
“We know about this coach; we lost to him in the Europa League. He is a good coach, and we know they have a good team.