Pro Evolution Soccer 2016 (EP)
41 Achievements
86-105h
PS4
League's Best Eleven
Awarded for being picked for the Team of the Season in [Become a Legend].
5.2%
How to unlock the League's Best Eleven achievement in Pro Evolution Soccer 2016 - Definitive Guide
Credit to CRAIG_83 for his help with this.
Being the leagues MVP and coming top of the scoring and assist charts will usually net you this trophy, you will have to play the majority of the games to get this to count as you can't just play 1 or 2 games. See World Player of the Year for more details.