Thursday's Chelsea transfer talk news roundup: Dayot Upamecano, Edinson Cavani, Lautaro Martinez

The buildup to the summer transfer window has now begun, with rumours and speculation continuing to swirl as Chelsea eye possible reinforcements.

The Blues failed to bring in a single player during the January window, despite seeing their transfer ban cut short by FIFA.

Here, Sports Mole rounds up the latest news on possible comings and goings from Stamford Bridge.

Thursday morning's headlines:

Chelsea: Transfer ins and outs - Summer 2020
Keep track of all of Chelsea's confirmed summer transfers with Sports Mole's comprehensive guide. Read more.

Victor Moses to return to Chelsea next month?
Victor Moses will reportedly return to Chelsea next month, after the Blues denied him permission to continue playing for Inter Milan after his loan spell ends. Read more.

Willian in talks over new longer-term Chelsea contract
Willian is in talks over a new longer-term contract with Chelsea, after Frank Lampard revealed that the winger could stay beyond the end of the season. Read more.

Agent: 'Jorginho unlikely to leave Chelsea this summer'
Chelsea midfielder Jorginho is unlikely to leave Stamford Bridge this summer, according to his agent. Read more.

Barcelona to sign Edinson Cavani this summer?
Experienced striker Edinson Cavani emerges as a target for Barcelona, according to a report. Read more.

Tottenham Hotspur 'make £27m offer for Gabriel Magalhaes'
Tottenham Hotspur launch a £27m offer for Lille defender Gabriel Magalhaes, according to a report. Read more.

Manchester United 'learn Jadon Sancho asking price'
Manchester United will have to come up with an offer of £117m if they wish to sign Borussia Dortmund's Jadon Sancho this summer, according to a report. Read more.

Frank Lampard addresses Kai Havertz transfer speculation
Chelsea boss Frank Lampard insists that his club have not launched a bid for Bayer Leverkusen's Kai Havertz. Read more.

Manchester City leading the race for Kalidou Koulibaly?
Napoli centre-back Kalidou Koulibaly believes that there is a "strong chance" of him joining Manchester City this summer, according to journalist Duncan Castles. Read more.

Chelsea join the race for Dayot Upamecano?

Chelsea 'begin Kai Havertz talks with Bayer Leverkusen'
Chelsea open talks with Bayer Leverkusen over a potential summer deal for Kai Havertz, according to a report. Read more.