Monaco star gelson martins earns six month ban for referee assault

I think there may be some confusion here!

Gelson Martins is a Portuguese professional footballer who plays for AS Monaco, but I couldn't find any information about him earning a six-month ban for referee assault.

It's possible that you may be thinking of another player or incident. Could you provide more context or clarify which Gelson Martins you are referring to?

If you're interested, I can try to help you find the information you're looking for!