Former Barcelona coach Ronald Koeman has offered some advice to Poland about their current dispute with Robert Lewandowski.
The striker has said he will not play for Poland again while current coach Michal Probierz is in charge and revealed he feels betrayed by the boss.
Koeman was quizzed on the row between the pair and says it’s never a good idea to fall out with your top stars.
“During these years I have learned that you should never fight with your best player. You’ll never win from that. That’s something I’ve learned,” he told a press conference.