Robert Kubica does not want to have his lap times compared to Sergey Sirotkin during pre-season testing after sharing a car with the Russian in Barcelona.Sirotkin drove during cold conditions on Tuesday morning, with Kubica taking over for the afternoon session as the track temperature increased slightly. At the end...

Sauber F1 has signed GP3 racer Tatiana Calderón as a development driver for 2017. The 23-year-old native of Colombia will continue to race in GP3 for a second season; she debuted with Arden Motorsport in 2016, where she became the second female driver to score points.Calderón will take part in...