The draw is due to take place from around midday GMT, 7 a.m. ET on Friday, Feb. 24.
Galtier saw his team beaten 3-0 in the first leg at Old Trafford last week as Zlatan Ibrahimovic scored a hat trick.
United will play every 3.76 days between now and late May if they are to match Liverpool's three-trophy haul, once dubbed a "plastic treble" by fans.
Shaka Hislop says referee Pavel Kralovec was starstruck by Manchester United in their Europa League win over St Etienne.
Arsene Wenger has said that he will still be a manager next season, while Zlatan Ibrahimovic scored his first hat trick for Man United.
After 2015-16, many wondered if Edin Dzeko had a Roma future. Now the Bosnian is Serie A's leading scorer and is set to lead the club to silverware.