Man United were drawn alongside the La Liga champions when the draw for the quarter-finals took place in Nyon on Friday.
“So Barcelona it is. Many a happy memory. Let’s get down to business reds,” Phelan tweeted after the draw on Friday.
Phelan was the assistant to Man United’s legendary boss, Sir Alex Ferguson, when United sealed a famous Champions League victory and clinched the treble back at the Camp Nou in 1999. SHARE THIS STORY USING ANY OF THE BUTTON BELOW ⬇ PLACE YOUR TEXT ADVERT BELOW ⬇⬇⬇