Sauber retain Gutierrez, with Sirotkin as tester

Sauber have announced that Esteban Gutierrez will stay on for the 2014 season, completing the team's race line-up together with Adrian Sutil. Russia's Sergey Sirotkin will serve as test driver. Gutierrez first tested with Sauber at Jerez in late 2009. The Mexican was signed as 'affiliated driver', and 2013 saw him finish 16th in the championship as the best placed rookie

via Formula1.com - Latest Headlines http://www.formula1.com/news/headlines/2013/12/15357.html