Before the CAS, PSG and Barcelona battled it out for Kays Ruiz. A new episode of rivalry between PSG and FC Barcelona has erupted.

The French club has been assigned to the Court of Arbitration for Sport (CAS) (CAS)..
on June 1 in Lausanne to settle a disagreement with its Catalan counterpart over Kays Ruiz’s training compensation (19).
The midfielder, whose contract with the Blaugrana was just cancelled.
had left the French team at the end of his lease last summer.

He declined to extend it.
to return to Barça, where he previously resided from 2009 until 2015.
The Catalans are accused by PSG’s administration of not paying him his training costs.
items that are owed to him as a result of it.