Kai Havertz missed Bayer Leverkusen's fitness assessments over the weekend, reports have claimed.

The 21-year-old is being strongly linked with a move to Chelsea.

And according to Bild, Havertz attended Leverkusen's facility for coronavirus tests on Friday and Saturday, but did not to undertake his preseason fitness tests.

Frank Lampard is looking at the Germany international to complete his summer spending spree.

The Blues boss has spent big money on Ben Chilwell, Timo Werner and Hakim Ziyech; while Thiago Silva and Malang Sarr have signed on free transfers.