Arsenal full-back Mathieu Debuchy is a doubt for the Gunners' trip to Hull City on Monday night, Arsene Wenger has confirmed.
The France international suffered a slight hamstring strain which he picked up in training.
Debuchy, 29, signed for Arsenal in the summer from Newcastle United for £13 million but has missed much of the season; first with an ankle injury and then with a dislocated shoulder.
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As a result, he has only featured in ten Premier League games this season but is on course to win his first major honour in England since his move from Lille.
The full-back will hope to be fit well before the Gunners' FA Cup final match against Aston Villa.
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Struggling with injuries
Arsenal winger Alex Oxlade-Chamberlain definitely won't feature against the Tigers as he is still struggling with a groin strain.
The 21-year-old picked up the injury in Arsenal's FA Cup quarter-final victory against Manchester United and has already suffered one setback in his bid to return before the end of the season.
Wenger told reporters: "We have a full squad available, the only one who is really a doubt is Mathieu Debuchy. Alex Oxlade-Chamberlain is not completely ready, nor Diaby, but they both practice in full training sessions now. We have no major injuries apart from Debuchy.
"He has a little hamstring problem. Monday could be too early for him. He got the injury in training."
It was the north London club's first victory at Old Trafford for nine years since former Arsenal striker Emmanuel Adebayor scored an 86th minuted winner in 2006.
Arsenal captain Mikel Arteta is back in training following a spell of over five months out. The spaniard was hit with a calf injury during Arsenal's 2-0 victory over Borussia Dortmund back in November.
Since then, the 33-year-old has had an operation on his ankle that has lengthened his spell on the sidelines.
Arteta's injury may have come as a blessing in disguise for Arsenal, as Gunners boss Arsene Wenger had to recall holding midfielder Francis Coquelin, from Charlton Athletic.
The young Frenchman has been a revelation this season holding down a first team spot over the likes of Mathieu Flamini and even Jack Wilshere.
The Gunners travel to the KC Stadium in their next match knowing that their title charge could be all but over before they kick a ball.
Who do you think has been the revelation of the season? And do you think Arsenal should still sign another defensive midfielder?