West Ham United star Michail Antonio could miss their FA Cup clash against Manchester United on Tuesday.
The Hammers take on United at Old Trafford, but may have to do without their star striker.
Antonio is suffering from fatigue, and boss David Moyes has to manage his fitness for the rest of the season.
"It will be a close call whether he makes it or not," Moyes told reporters.
"We'll need to assess him tomorrow to see if he is able to play.
"It has been well documented that we don't have a lot of other options. We're well aware of that and we chose to do it."
West Ham will have Tomas Soucek available after his red card against Fulham was overturned.
