Lewis Hamilton top in Spanish Grand Prix practice with upgraded Mercedes
Lewis Hamilton and Valtteri Bottas secured a Mercedes one-two in second practice at the Spanish Grand Prix, comfortably clear of the Ferraris.
Hamilton was 0.09 seconds quicker than his team-mate but 0.310secs clear of the Ferrari of Kimi Raikkonen, who was 0.118secs ahead of Sebastian Vettel.
Red Bull's Max Verstappen and Daniel Ricciardo were next, looking as if they have closed the gap to the top cars.
The top six were covered by less than 0.8secs, closer than so far this year.
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Mercedes also appeared to have an advantage during the race-simulation runs later in the session, lapping consistently quicker than the Ferraris throughout the long runs.
The Ferraris did seem to be able to lap as quickly as the Mercedes in race trim on occasional laps but could not keep the pace up
All the teams have brought major aerodynamic upgrades to this race, but the one on the Mercedes is the most visually dramatic, with a new narrower nose and a number of other major changes. So far it appears to be having a significant effect.
Red Bull hoped their upgrade for this race would bring them closer to Mercedes and Ferrari and that, too, appears to be the case. Verstappen was just 0.6secs off the pace, with team-mate Ricciardo 0.1secs further adrift.
At the back of the field, it was a dismal day for home hero Fernando Alonso.
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