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F1: Wolff says Mercedes made its best start yet

Formula 1

F1: Wolff says Mercedes made its best start yet

By alley - Feb 1, 2015, 1:54 PM ET

Mercedes' Toto Wolff says he is trying to avoid overconfidence, but that his team's first day of 2015 Formula 1 testing at Jerez was the best start he has experienced.Nico Rosberg completed 157 laps – 84 more than any of Mercedes' rivals – on the way to the third-fastest time...

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