Martin Whitmarsh is reportedly stepping down as chairman of the formula one teams association FOTA.

Italy's Autosprint claims the McLaren boss will be replaced by Adam Parr, the chairman of the Grove based Williams team.

The vice-chairmanship of the FOTA alliance is also changing hands, with Toro Rosso's Franz Tost reportedly to succeed Whitmarsh's current deputy Stefano Domenicali.

Ross Brawn and Christian Horner head FOTA's technical and sporting arms respectively.

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