Tottenham boss Andre Villas-Boas hopes Gareth Bale's ankle injury is not as bad as first feared after he was carried off in the 2-2 draw with Basel.
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The forward, 23, fell awkwardly on his right foot late in Thursday's Europa League quarter-final first leg.
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But Villas-Boas said: "It shouldn't be as bad as it looks on the image.
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"There is a big, big possibility if we stay positive that he will be fit for the Man City game [on April 21] and it will only take him out of two games."
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Bale's incredible season Tottenham have not won a game when Gareth Bale has failed to score since New Year's Day.
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He has scored 27 goals in 45 appearances for club and country this season.
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In the Premier League, Bale has scored 17 goals and assisted six.
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Villas-Boas added: "There's lots of swelling. The pain is obviously very big. He will have a scan tomorrow [Friday]."
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Wales international Bale has made 38 appearances for Tottenham this season, scoring 22 goals in all competitions.
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He started in attack against Basel and provided the cross that led to Emmanuel Adebayor scoring after Spurs had gone 2-0 down.
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But otherwise Bale had a relatively quiet game and his evening ended on a sour note following a late challenge with David Degen.
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The ankle appeared to twist underneath itself and Bale was in clear distress as he left the field on a stretcher.
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"He rolled on his ankle, at the moment there is a lot of pain, but hopefully not as bad as it could have been," said the Portuguese.
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"We still have a big squad and the ability to adapt [without Bale]. We just have to play against Everton [on Sunday] and see when these players get back to make us even stronger."
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Villas-Boas was already without striker Jermain Defoe because of a muscular problem, while winger Aaron Lennon suffered an injury in the first half and defender Williams Gallas limped off towards the end.
Tottenham would feel his absence badly. Bale has been an important player for the club so far. It's a very bad news