Max Verstappen's former race engineer Xevi Pujolar has confirmed his departure from Toro Rosso.
Helmut Marko says Daniil Kvyat's seat switch from Red Bull to Toro Rosso was to help the Russian revive his career "out of the firing line".
Red Bull has confirmed Max Verstappen and Daniil Kvyat will switch seats, effective immediately, from the Spanish Grand Prix.
Ex-Manor team principal John Booth has joined Toro Rosso as director of racing on a consultancy basis.
Toro Rosso's year-old power unit is the least powerful engine on the grid, according to Mercedes' data.
After ignoring team orders at the Australian Grand Prix to let Max Verstappen past, Carlos Sainz says it is up to his team-mate to clear things up with Toro Rosso, not him.
Max Verstappen says he does not care about Toro Rosso team orders because he should have been "miles ahead" of Carlos Sainz at the Australian Grand Prix.
Carlos Sainz says Toro Rosso left valuable points on the table following a disappointing Australian Grand Prix.
Max Verstappen labels his Australian Grand Prix "a bit unlucky and not good" and admits frustrations with team-mate Carlos Sainz and Toro Rosso's strategy.
Red Bull motorsport advisor denies 2016 is a shootout between company's four drivers but makes it clear poor performances will not be tolerated in 2016.
Technical director James Key calls Toro Rosso's impressive winter lap haulage the "best-case scenario" it could have hoped for heading into the winter.
After his first week of pre-season testing with Ferrari engines, Max Verstappen is happy with Toro Rosso's switch to a year-old Ferrari engine from Renault for this year.
Kimi Raikkonen returned Ferrari to the top of the timing screens as McLaren completed just three laps due to a coolant leak detected early in the morning.
Force India's Nico Hulkenberg tops the third day of testing as McLaren becomes the only team to fail to register a race distance following a hydraulics failure.
Ferrari's Sebastian Vettel finished top for the second day in a row after a lap on Pirelli's new ultra-soft lap as world champions Mercedes rack up over 800km in mileage.
Sebastian Vettel tops opening day of Barcelona testing as Lewis Hamilton completes well over two race distances -- 157 laps -- in his Mercedes.
The new Toro Rosso STR11 has hit the track for the first time in an all-blue interim livery at the first pre-season test.
Late switch to Ferrari engines means Toro Rosso will run a temporary plain blue livery for first test in Barcelona before proper presentation the following week.
Carlos Sainz says he learned a lot from observing fellow Spaniard Fernando Alonso and how the McLaren driver dealt with a difficult 2015.
Max Verstappen excited by Toro Rosso's chances in 2016 and thinks the introduction of Ferrari power units means the team can make "bigger steps" than its rivals.
Daniil Kvyat concedes to feeling frustrated with the strong form of former team Toro Rosso in early 2015 as he initially struggled to adapt to life at Red Bull.
Sergio Perez has advised the in-demand Max Verstappen to make the most of every opportunity presented to him in F1 as "you don't know if you are going to be in the right team at the right moment"
Technical director James Key says the late switch to Ferrari engines for 2016 has been a "massive distraction" for Toro Rosso and has compromised development of this year's challenger.
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