Manchester United have been hit by two fresh injury concerns ahead of their weekend trip to Arsenal, with both Marcus Rashford and Ashley Young limping off during the closing stages of a 1-0 Europa League semi-final first-leg victory over Celta Vigo on Thursday evening (4 March).

Quarter-final hero Rashford once again made the difference for profligate United as they took a big step towards the tournament showpiece in Stockholm, curling an unstoppable 25-yard free-kick past the otherwise impressive Sergio Alvarez midway through the second half.

The 19-year-old's evening took a turn for the worse when he appeared to hurt himself in a rather innocuous fashion 10 minutes from time and gingerly left the pitch to be replaced by Anthony Martial.

Asked about the issue during his post-match interview with BT Sport, Jose Mourinho revealed that Rashford, whose importance to the cause has significantly increased of late with Zlatan Ibrahimovic ruled out for the season due to knee ligament damage, actually went into the tie nursing a knock.

Marcus Rashford's slow exit from the pitch drew the ire of several Celta Vigo players

"He started the game already with a little problem," the manager said. "And obviously with the running and the continuity, he was feeling it. Martial was fresh."

Mourinho was not immediately pressed for an update on Young, who was withdrawn 11 minutes after coming on as a substitute with what looked like a hamstring complaint.

United have been beset by an injury crisis of late with Luke Shaw joining the likes of Ibrahimovic, Marcos Rojo, James Wilson and Timothy Fosu-Mensah on the sidelines. However, things had begun to look a little rosier in that regard with Chris Smalling, Eric Bailly, Paul Pogba and Juan Mata all recently passed fit. Phil Jones also travelled to Galicia but did not make the matchday squad.

Ashley Young
Ashley Young's second-half cameo in Galicia lasted just 11 minutes

Mourinho declared himself pleased with the performance of his team at the atmospheric Estadio de Balaidos, but not so content with the result, given the number of chances wasted.

Reserving special praise for match-winner Rashford, he said: "He's a 19-year-old kid, but he's a 19-year-old kid in love with football. A kid that finishes a training session and stays half an hour more every day to take free-kicks and to wait for the opportunity.

"His mentality: he works, he works, he works. He's very mature and let's forget the age, because what matters is the quality."

In a clear sign of United's shifting priorities as they approach the end of the campaign, Mourinho claimed earlier this week that he may well opt to rest certain key players against Arsenal in the Premier League on Sunday (7 April) before Celta Vigo visit Old Trafford for the second leg next Thursday.

Have those plans been affected by the result in Spain?

"No it's not affected, it's what I have to do," he said. "It's what I have to do, so I'm going to do [it]."