Share
1 of 7
There was only one Mercedes driver smiling at the Monaco Grand Prix. Nico Rosberg (right) took pole position from teammate Lewis Hamilton in controversial circumstances when his error prevented the 2008 champion from driving at full pace on his final lap. ANNE-CHRISTINE POUJOULAT/AFP/Getty Images
Smiles were also in short supply on the podium after Rosberg (center) held off Hamilton to win and retake the lead in the 2014 championship. BORIS HORVAT/AFP/Getty Images
Both born in 1985, Rosberg and Hamilton have grown up together on the junior racing scene. The pair, pictured here at the start of their F1 careers in 2007, have always maintained a friendship -- but that relationship is now under pressure. BERTRAND GUAY/AFP/Getty Images
The Mercedes duo's fight for the 2014 title has led to comparisons with Ayrton Senna (right) and Alain Prost's famously fierce rivalry. Getty Images
Prost and Senna's relationship came under great strain as they both battled for the 1988 and 1989 world title when they were McLaren teammates. AFP/Getty Images
The pair clashed at the 1989 Japanese Grand Prix at Suzuka. Prost (shown driving the No.2 car here) clinched the title after Senna was controversially disqualified having gone on to win the race. Getty Images
Mark Webber (left) and Sebastian Vettel's relationship at Red Bull was not always rosy. Things took a turn for the worst at the 2013 Malaysian Grand Prix after Vettel ignored team orders and passed Webber to win. Mark Thompson/Getty Images
