Lionel Messi and Neymar will participate to try a biological passport in soccer in a new anti-doping program.

All players set to be involved in the seven-team Club World Cup next month will be providing samples beforehand to help laboratories prepare their individual steroid profiles, FIFA said.

“Every club will be required to provide FIFA with accurate details of their team activities (matches, training schedule etc.) during the period from November 14 to December 8,” FIFA said.