Chelsea, over the years, have made numerous high-profile signings with varying degrees of success.

From the Roman Abramovich era to the Todd Boehly era, Chelsea have made a number of very expensive signings, and some have been regrettable.

See some of the expensive signings that Chelsea might regret over the past 10 years.

Romelu Lukaku

The Belgian was signed in 2021 for a massive £97.5 million from Inter Milan.

Lukaku, 30, was expected to light up Stamford Bridge. Interestingly, Lukaku has done well on loan at Inter Milan and Roma.