Valtteri Bottas (FIN) Mercedes-AMG F1 W09 EQ Power+ at Formula One Testing, Day Three, Barcelona, Spain, 8 March 2018. © Mark Sutton/Sutton Images
Sergio Perez (MEX) Force India VJM11 at Formula One Testing, Day Three, Barcelona, Spain, 8 March 2018. © Mark Sutton/Sutton Images
Kevin Magnussen (DEN) Haas VF-18 at Formula One Testing, Day Three, Barcelona, Spain, 8 March 2018. © Mark Sutton/Sutton Images
Nico Hulkenberg (GER) Renault Sport F1 Team RS18 with rear aero sensors at Formula One Testing, Day Three, Barcelona, Spain, 8 March 2018. © Mark Sutton/Sutton Images
Marcus Ericsson (SWE) Alfa Romeo Sauber C37 at Formula One Testing, Day Three, Barcelona, Spain, 8 March 2018. © Mark Sutton/Sutton Images
Robert Kubica (POL) Williams FW41 at Formula One Testing, Day Three, Barcelona, Spain, 8 March 2018. © Mark Sutton/Sutton Images
Robert Kubica (POL) Williams FW41 at Formula One Testing, Day Three, Barcelona, Spain, 8 March 2018. © Mark Sutton/Sutton Images
Sebastian Vettel (GER) Ferrari SF-71H at Formula One Testing, Day Three, Barcelona, Spain, 8 March 2018. © Jerry Andre/Sutton Images
Sergio Perez (MEX) Force India VJM11 at Formula One Testing, Day Three, Barcelona, Spain, 8 March 2018. © Jerry Andre/Sutton Images
Stoffel Vandoorne (BEL) McLaren MCL33 at Formula One Testing, Day Three, Barcelona, Spain, 8 March 2018. © Jerry Andre/Sutton Images
Max Verstappen (NED) Red Bull Racing RB14 at Formula One Testing, Day Three, Barcelona, Spain, 8 March 2018. © Jerry Andre/Sutton Images
Kevin Magnussen (DEN) Haas VF-18 at Formula One Testing, Day Three, Barcelona, Spain, 8 March 2018. © Jerry Andre/Sutton Images
Max Verstappen (NED) Red Bull Racing RB14 pit stop at Formula One Testing, Day Three, Barcelona, Spain, 8 March 2018. © Jerry Andre/Sutton Images
Robert Kubica (POL) Williams fans and banners at Formula One Testing, Day Three, Barcelona, Spain, 8 March 2018. © Jerry Andre/Sutton Images
Nico Hulkenberg (GER) Renault Sport F1 Team RS18 at Formula One Testing, Day Three, Barcelona, Spain, 8 March 2018. © Jerry Andre/Sutton Images
Max Verstappen (NED) Red Bull Racing RB14 spins at Formula One Testing, Day Three, Barcelona, Spain, 8 March 2018. © Mark Sutton/Sutton Images
Pierre Gasly (FRA) Scuderia Toro Rosso STR13 at Formula One Testing, Day Three, Barcelona, Spain, 8 March 2018. © Jerry Andre/Sutton Images
Stoffel Vandoorne (BEL) McLaren MCL33 at Formula One Testing, Day Three, Barcelona, Spain, 8 March 2018. © Mark Sutton/Sutton Images
Charles Leclerc (MON) Alfa Romeo Sauber C37 at Formula One Testing, Day Three, Barcelona, Spain, 8 March 2018. © Mark Sutton/Sutton Images
Sebastian Vettel (GER) Ferrari talks with the media at Formula One Testing, Day Three, Barcelona, Spain, 8 March 2018. © Jerry Andre/Sutton Images
Practice starts at Formula One Testing, Day Three, Barcelona, Spain, 8 March 2018. © Jerry Andre/Sutton Images
Marshal waves the red flag at Formula One Testing, Day Three, Barcelona, Spain, 8 March 2018. © Jerry Andre/Sutton Images
Sergio Perez (MEX) Force India VJM11 pit stop at Formula One Testing, Day Three, Barcelona, Spain, 8 March 2018. © Jerry Andre/Sutton Images