An otherwise positive evening for the Red Devils on their return to Europe's elite club competition was marred by the Frenchman limping off 19 minutes into the contest at Old Trafford.
Reports in the British press suggest that Pogba could face between a month and six weeks on the sidelines, but the midfielder has taken a more positive stance with his latest Instagram post.
"When you know all will be fine," he posted, accompanied by an image of him still using crutches to stand.
A post shared by Paul Labile Pogba (@paulpogba) on
Pogba has made a bright start to the campaign, playing a direct part in four goals in the same number of Premier League games for table-toppers United.