ROSBERG WARNS MERCEDES ABOUT MCLAREN THREAT

Original: Mercedes will be "worried" about McLaren threat in F1 title fight, says former driver

Nico Rosberg suggests Mercedes will be concerned about McLaren's competitive development rate and pace in the title battle.

Nico Rosberg has argued that Mercedes will be concerned by McLaren's development rate and raw speed following the Dutch Grand Prix.  Speaking on Sky Sports F1, the 2016 Formula 1 champion praised Lando Norris's pace at Zandvoort. Despite opting not to pit for fresh tyres when others did during the v