It’s that time of the year again – the transfer window is now open until September 1 and it’s sure to be a busy period with clubs looking to make big signings ahead of next season. Here are today’s latest developments from Simon Jones and the Daily Mail Sport team…Chelsea step up interest in Palace star Chelsea are accelerating their interest in Crystal Palace defender Maxence Lacroix as they prepare an offer worth up to £50m.Daily Mail Sport reported Chelsea were discussing a move for the France international on June 15 and Lacroix is keen on the switch.Chelsea have received enquiries for Trevoh Chalobah from Como who are lining up a bid, and Inter Milan, while Wesley Fofana’s future is also in question.Lacroix, 26, has been a stand out performer for Palace since joining from Wolfsburg and his displays have merited his place in his country’s World Cup squad.Despite success at Palace, Lacroix is ready to leave as he looks to make the next step up. Chelsea are accelerating their interest in Crystal Palace defender Maxence LacroixHull target SPL star Hull City have made an offer for Rangers and Belgium midfielder Nicolas Raskin of around £12.5million.The 25-year-old still has two years left on contract and is valued around £20m.Fabregas lines up move for Chalobah Cesc Fabregas’s club Como have firmed up their interest in Chelsea and England defender Trevoh Chalobah.The 26-year-old may be allowed to leave this window as Chelsea look to strengthen their centre-back department again with Como’s Jacobo Ramon and Maxence Lacroix of Crystal Palace among the names on their list. Trevoh Chalobah could be heading to Italy with Cesc Fabregas’s Como showing an interestInter Milan and Premier League sides are also interested in Chalobah while question marks also remain over Wesley Fofana’s future.Chalobah was a late call-up to Thomas Tuchel’s England squad after Tino Livramento withdrew with a calf injury.Como made enquiries last week and are now willing to make an offer to test the water for the former Crystal Palace defender.Derry prospect Liam Kelly on English clubs’ radar Nottingham Forest, West Ham and Brighton are taking a look at Derry City prospect Liam Kelly.Kelly became Derry City’s youngest-ever player in a competitive fixture when he was introduced as a substitute for James McClean in Monday’s 1-1 Premier Division draw against leaders Shamrock Rovers – aged just 15.Kelly’s first League of Ireland appearance came in the wake of him collecting his Under-16 and Under-17 Northern Ireland caps from Aaron Hughes, formerly of Newcastle, who is now Technical Director at the Irish FA, last week.The midfielder has been invited to train with the Premier League sides who have been following his progressSpurs’ busy summer continues Tottenham have signed goalkeeper Martin Dubravka after his contract expired at Burnley.Dubravka, 37, turned down an offer from Wolves and Saudi Arabia to stay in the Premier League and said: ‘It’s an exciting time for me, a new journey and new experience for me and my family. I’m looking forward to it. Martin Dubravka was a mainstay for Burnley last season and has now joined Tottenham’Everything moved pretty quickly and I’m really happy to be here. I’ve loved watching Roberto (De Zerbi)’s teams over the years and know all about his style, vision and the fantastic fans here.’Tottenham is one of the biggest clubs in the Premier League and I can’t wait to meet everyone and get started.’Tottenham still expect to sell Vicario back to Italy, with Antonin Kinsky likely to be number one next season under Roberto De Zerbi.Spurs remain in talks over Mateus Fernandes at West Ham and have also checked on Crysencio Summerville, who is currently away at the World Cup with the Netherlands, as part of their plans to sign two wingers this summer.Manor Solomon is expected to leave this summer after three successive loan spells away from the club and Randal Kolo Muani has returned to Paris Saint-Germain following the end of his loan.Kolo Muani has interest from Juventus, but the Italians may be priced out of a move as it stands. Juve are also interested in Vicario but face competition from Napoli.They will go back with an improved offer for Sandro Tonali and are maintaining talks with Manchester City over Savinho.Leeds confirm Wilson Leeds have won the race to sign Harry Wilson on a free transfer. The Wales forward is set to leave Fulham when his contract expires at the end of the month.Aston Villa, Benfica and Everton were among the other interested clubs.The 29-year-old almost joined Leeds on Deadline Day last summer only for the move to collapse at the last minute. Harry Wilson is swapping Fulham for Leeds when his contract expires this summerAs well as Wilson, Leeds have been exploring a move for Julian Brandt, who is set to leave Borussia Dortmund as a free agent and are in talks with Southampton for midfielder Shea Charles after their initial £20m offer was rejected.Vitek targeted by newly-promoted clubsHull City are among the clubs circling Manchester United goalkeeper Radek Vitek.Daily Mail Sport understands that the Tigers are among several Premier League clubs interested in Vitek, alongside fellow promoted sides Coventry City and Ipswich Town. Radek Vitek impressed on loan at Bristol City last seasonAlthough United want to avoid losing the highly rated young shot-stopper, they accept the situation is complicated by Vitek having two years left on his contract with a desire to play regular football.Bobby Manzi and Nathan SaltXabi works his magicXabi Alonso played his part yesterday in convincing Marco Palestra to join Chelsea over Inter Milan.Chelsea’s financial package was also superior, suiting all parties especially Atalanta. They were keen to have a sell-on clause also included for the Italy wing-back as they believe he will go on to an even bigger stage.Alonso spoke to Palestra convincing him he had a key role to play despite the players already on Chelsea’s roster. Marco Palestra played 37 times on loan for Cagliari last seasonMalo Gusto has been linked with a move to Manchester City as a consequence but Enzo Maresca’s new club have yet to make contact.Hendry signs new deal Scotland centre-back Jack Hendry has agreed a lucrative new two-year deal with Al Ettifaq.The 27-year-old, who is due to face Brazil for his country at the World Cup tonight, has landed improved terms with the Saudi Pro League club which make him one of the best paid players in the national team.Hull City, Wolves and Burnley had shown interest in the former Bruges defender, who would have been out of contract this summer, but they were unable to compete with the finances on offer.