Mercedes explains reason for Hamilton’s split with F1 trainer Cullen

Former New Zealand national team hockey player Cullen has worked as Hamilton’s dedicated performance coach since 2016 via the renowned Hinsta coaching organisation.

However, on the Friday ahead of the 2023 Saudi Arabian Grand Prix, both Cullen and the seven-time world champion took to social media to announce their parting of ways.

Neither alluded to the cause of the separation nor specified what Cullen will do next.

Wolff has now suggested it was Hamilton who…