Valtteri Bottas: "I made the most of the performance of the car and it was great to be able to race Felipe at the end."
Valtteri Bottas: "I am a little disappointed with how the day turned out."
Both Sauber C34-Ferraris ran without any major issues.
Felipe Massa: "I have trained very hard in the heat just for this race and cardio has been important."
The Brazilian driver, Felipe Massa, showed consistent pace to bring the car home with 12 points to start the 2015 season.
The FW37 looked competitive in each qualifying session and Felipe Massa put together an excellent final flying lap in Q3 to take a second row position.
Valtteri Bottas: "It was a very productive Friday; whilst Felipe was unlucky with a technical problem and lost some running."
After a very promising 2014 campaign the team will be looking to make a strong start to the season and signal its intent once again.
Felipe Massa: "We had another good day with over 100 laps completed."
Veteran engineer Pat Symonds admits factory Merc squad is still out front, but thinks Williams is poised to lead the chase.
Valtteri Bottas: "The day was busy and we know there is still more to come, I feel positive and the balance was good."
Felipe Massa: "The FW37 never showed a sign of an issue and this has been the case since we arrived at the first test in Jerez."
Valtteri Bottas: "The FW37 remains reliable but we have quite a way to go before we are at the level we want to be,"
Team will be back on track tomorrow with Valtteri Bottas at the wheel for the final day of the second test.
Felipe Massa: "We completed the programme for the day without any unexpected issues."
Brazilian Sauber driver has his say on testing collision at Barcelona’s Turn 5.
Briton's Williams was on out-lap when Sauber’s Brazilian ‘came across and hit me’.