When Roberto Firmino switched from No.11 to No.9 earlier this summer, he did so with the promise he would autograph new 2017-18 Liverpool jerseys supporters had purchased with his previous squad number printed on - and he kept to his word by signing the first batch of shirts sent in by fans at Melwood on Thursday.

The Brazil forward went through each item before and after the day's training to apply his signature before they're sent back to their original owners.

And our gallery below shows Firmino going about the task at hand...