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

The 2018-19 champions did not bring in a single player during the January transfer window, despite suffering a defensive shortage for much of the campaign so far.

Here, Sports Mole rounds up the latest news on possible comings and goings at the Etihad.

Monday morning's headlines:

Manchester City secure deal for Bulgarian teenager
Manchester City have secured a deal for Slavia Sofia teenager Filip Krastev, according to the Bulgarian's side chairman. Read more.

Pep Guardiola opens up on potential Leroy Sane exit
Winger's possible departure does not mean another foray into the transfer market for Manchester City boss. Read more.

Liverpool '£32m short of Napoli's Kalidou Koulibaly valuation'
Liverpool submit a £58m bid for Napoli's Kalidou Koulibaly but are £32m short of the Italian club's valuation, according to a report. Read more.

Liverpool 'lead the race for Kalidou Koulibaly'
Liverpool lead the race for Napoli centre-back Kalidou Koulibaly, according to a report. Read more.

Inter Milan 'line up Kyle Walker move'
Inter Milan want to sign Manchester City right-back Kyle Walker during this summer's transfer window, according to a report. Read more.