Semi Final 0 Manchester United v Benfica 5 Sat, 8:00 pmSep 22, 2018 2 Benfica v Manchester United 1 Sat, 8:00 pmSep 29, 2018 0 Southampton v Barcelona 1 Sat, 8:00 pmSep 22, 2018 1 Barcelona v Southampton 2 Sat, 8:00 pmSep 29, 2018