The task was put to them by Reds supporter Abdul-Raouf C from the United Kingdom, as part of a Q&A session with fans this week.
It is fair to say Fred and Telles loved the challenge and they threw themselves into it, debating the very concept and every position involved. As you can read in the full transcript below, there are some iconic Brazilian players in the mix...
ESTABLISHING THE RULES
Fred: A five-a-side team? They will be different opinions - many different opinions! We're not going to agree on this.
Telles: Why not?