The summer transfer is fast approaching even with the uncertainty surrounding the current season due to the Coronavirus pandemic.
Clubs will be out to bring in new players in readiness for another long season, with some players already signed waiting to link up with their teammates once the current season concludes.
One such player is Hakim Ziyech, who completed his move from Ajax to Chelsea in February.
The Moroccan international is expected to link up with his new teammates after the conclusion on the current season.
Other players will leave the London club as others come in, but what shirt numbers are available for any new signings?
The first 11 numbers (1-11) are all taken, with vacant ones mainly belonging to players currently sent out on loan.
The shirt number belongs to Danny Drinkwater who is currently on loan at Aston Villa. His shirt remains unoccupied and with the club not interested in keeping him, the shirt might be up for grabs next season.
Just like Drinkwater's number 6 shirt, the number 14 is held by another Chelsea loanee Tiemoue Bakayoko, who is at Monaco.
Kenedy was assigned the shirt at the start of the campaign, shortly before he was sent out on loan at Getafe. His move meant the shirt is vacant.
Davide Zappacosta's loan move to Roma means the shirt is currently available.
Franco Zola's shirt has not been on the shelf since the Italian left the club in 2003, and there is no plan of making it available.
Just like Zola, John Terry's number 26 shirt seems off-limits for now as it hasn't been assigned anyone since his retirement
This was left vacant by Andreas Christensen when he took over the number 4 shirt that was initially held by Cesc Fabregas.
David Luiz's move to Arsenal last summer left the shirt number vacant.