Ahead of the Abu Dhabi Grand Prix, former F1 star Johnny Herbert has called for other constructors to step up their game to challenge Mercedes. World Champion Lewis Hamilton and team-mate Nico Rosberg have dominated the last two seasons, wrapping up the drivers and constructors titles with room to spare. As 60,000 fans descend on the capital ahead of Sunday’s season closing race, Herbert told ARN News what the chasing pack need to do.
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