Liverpool squad numbers available if summer signings arrive

With the current season being on hold due to coronavirus pandemic, Liverpool have to wait for it to resume so that they can become Premier League champions after almost 30 years. Currently, it's uncertain what will happen in the future but whatever happens with this season, the summer transfer window will eventually open. Ahead of the transfer window, let's see which Liverpool squad numbers are available for the players who might arrive in the summer. No.16 The number currently is not in use as it belongs to Marko Grujic, who is currently on loan at Hertha BSC. No.17 The number is vacant and can be used by any new signing. No.19 Number, which belonged to Sadio Mane, is currently not being used by anyone since the player took No.10. No.20 The number is currently occupied by Adam Lallana, however, the player's contract with the club expires at the end of the season and he has been heavily rumoured with a move away. No.21 The number is currently not being used by anyone. source - LiverpoolECHO

How Liverpool could line up in the upcoming 2020/2021 season