Morgan Schneiderlin will be suspended for the game following his sending off for what referee Robert Madley deemed were two bookable offences at the Etihad Stadium on Monday and Davy Klaassen won't recover from a foot injury in time.
Gueye, who was left out of the side for last night's draw with Hajduk Split, will be assessed over the next couple of days to see if he can play. The Senegalese midfielder apparently felt his hamstring in the game against Manchester City but scans revealed no damage.
Sandro, meanwhile, hasn't yet shaken off a heel problem sustained in the Premier League season opener against Stoke City a fortnight ago and is again doubtful.
“It's tough playing Monday, Thursday, Sunday and we had to travel," Ronald Koeman told the media at Finch Farm this afternoon. "We've been a little bit unlucky with some injuries and that makes it even more difficult but we'll do a session tomorrow to see which players are the most fresh to start.
“I don't like to make changes but maybe it's about freshness for Sunday.
“Gana, I don't know. We need to wait until tomorrow to see if he can start or not. Klasssen will be out, Sandro is a doubt for Sunday. Barkley is out, McCarthy is out and then there's the long-term [injured].”