McLaren driver Jenson Button overcame Sebastian Vettel to record the fastest pace in the second practice session of the Spanish Grand Prix.
The Brit, who set the fourth quickest time in the first practice, came in 0.164 seconds earlier that the Red Bull world champion.
Nico Rosberg finished third in the standings for Mercedes, with Button's McLaren teammate Lewis Hamilton setting the fourth quickest pace.
Fernando Alonso, who topped today's earlier session, fell into 14th in the table, despite Ferrari's recent host of updates in order to improve the car's performance.
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