"It was definitely inappropriate" - Nico Rosberg
According to Bild newspaper, it was Red Bull who alerted the FIA to Rosberg's breach
Mercedes drivers have a slightly different view on Massa's move to Williams team.
The 28-year-old acknowledged that the 2014 rules revolution is a "huge opportunity" for a works outfit like Mercedes.
Niki Lauda and Toto Wolff do not agree with Brawn's decision
According to the seven times world champion, Mercedes did not have the needed funds during his tenure with the team. Michael Schumacher: "It's a factor."