Chelsea are monitoring developments with Everton striker Dominic Calvert-Lewin as they assess forward targets this summer.
The 27-year old is among a number of options Chelsea are considering with Red Bull Leipzig's Benjamin Sesko also on the list.
Arsenal have held talks over Sesko while Manchester United have made their interest known and the 21-year old has already rejected two offers from Saudi Arabia as he ponders his next step.
Sesko has a clause, though that can reach around £59.5million depending on performance, and would be considerably more expensive than Calvert-Lewin, who has one year left on contract.
Everton have offered the England international a new deal and want him to stay but Chelsea and other Premier League rivals are assessing whether he is worth a gamble this summer.
Chelsea are eyeing-up a move for Dominic Calvert-Lewin as they assess forward targets
Everton want Calvert-Lewin to stay, but the Blues are weighing up if he is worth a gamble
Despite an injury blighted period, Calvert-Lewin underwent a training camp in Germany last summer which helped condition him ahead of last season and he made 38 appearances, often playing as the lone striker for Sean Dyche's basement strugglers and scored eight goals.
Chelsea's recent recruitment policy has been to go for younger players but they recognise they face competition for some of their top targets and will also look for value in the window as with free agent Tosin Adarabioyo.
RB Leipzig forward Benjamin Sesko is also on Chelsea's list of potential attacking additions
They hope to raise cash by selling the likes of Conor Gallagher (L) and Trevoh Chalobah (R)
They hope to recoup some cash by selling Romelu Lukaku and Armando Broja as well as Trevoh Chalobah and Conor Gallagher.
Napoli have asked about Lukaku who has a £38m clause this summer while Monaco, Bologna and Wolves have enquired about Broja.