Mauricio Pochettino is also eager to recruit another striker this summer.
United and Palace meet in a repeat of the 1990 final.
Sinclair had been keen to leave Anfield in search of greater first-team opportunities.
Luis Enrique's side looking to clinch domestic double. Find out where to watch the match live in the UK.
Arsene Wenger has revealed he will not let Arsenal play soporific football in order to win trophies.
Newcastle midfielder Moussa Sissoko has admitted his admiration for Arsenal and will be available for £10m.
Walter Mazzarri has been appointed the new head coach at Watford.
Mikel Arteta is likely to move to Manchester City to work under Pep Guardiola.
The Arsenal midfielder needs to rediscover his form of the 2013-2014 campaign to prove he can be a major star.
PSG take on Marseille in the final of the Coup de France on 21 May.
Louis van Gaal facing the axe irrespective of FA Cup result.
Barcelona had previously threatened to order 10,000 Scottish flags in retaliation to a ban on the Estelada.
Granit Xhaka has arrived in London Colney for his medical.
Benfica midfielder Nicolas Gaitan has been a long-term target for Manchester United.
Jose Mourinho is reportedly set to sign three-year deal at Manchester United.
Daniel Trickett-Smith joined Liverpool in 2012 from Crewe Alexandra but failed to break into the first team.
Juventus face AC Milan in the Coppa Italia final on Saturday.
Bayern Munich face Borussia Dortmund in the final of the DFB-Pokal on 21 May.
The 35-year-old believes his speed makes him a dangerous opponent for Joshua.
Manchester United face Crystal Palace in the FA Cup final clash on Saturday.
Barcelona and Sevilla will play the final looking to end the campaign with a double crown.
The winger has endured a disappointing first season and has been linked with a move away.
Benteke failed to nail down a starting role during his first season on Merseyside.
La Liga champions were banned from waving Catalan flag in cup final against Seville on Sunday.
Rodgers replaces Ronny Deila, who parted ways at the end of the season.
While others have been handed consistent first-team roles, Pereira's chances have dried up.
Crystal Palace play Manchester United at Wembley on 21 May.
Former Liverpool star says he'd worried his style wouldn't fit in the Barcelona passing game.
The former Red Devils star has been a consistent critic of Louis van Gaal throughout this season.
The 23-year-old Swiss star is among the most sought-after young midfielders in Europe.