Inter Milan's Romelu Lukaku is on the verge of returning to Chelsea seven years after he left the club.
So what are the options available to Lukaku once he signs on the dotted line – anytime soon?
The 28-year-old wore 18 in his first spell at the club while donning 20, 17, and ten while on loan at West Brom and Everton respectively.
However, for the past four years at both Man Utd and Inter, Lukaku has worn the number nine.
Tammy Abraham is the current incumbent at Stamford Bridge, but with the England international likely to leave the club, his squad number could be freed up imminently.
Without a doubt, Christian Pulisic won't relinquish the ten.
And if Abraham ends up staying, there are a whole host of numbers that could be suitable for Chelsea's would-be frontman.
Ross Barkley is unlikely to be around long enough to retain his number eight, Ruben Loftus-Cheek could well leave to free up the number 12.
As for number 15, Kurt Zouma is expected to depart, as are 21 and 23 – Davide Zappacosta and Michy Batshuayi.
Numbers 25, 26, and 27 are all currently free but Lukaku is unlikely to want to go that high.
Should the nine be off-limits, then there are only two backup options that will stand out for the Belgian and those are the 14 and 18.
He wore the former during his final two seasons with Anderlecht, while the latter was his squad number throughout his first spell at Stamford Bridge.
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Returning loanees Tiemoue Bakayoko and Ethan Ampadu are the current occupants, but either of them would be at the club by the end of the transfer window.
This article was most recently revised and updated 2 years ago