British Grand Prix at McLaren is home race for Jenson Button and Fernando Alonso . Former F1 world champion Nigel Mansell used to say home crowd gave him advantage . British Grand Prix drivers to have backing of the majority of 100,000-plus crowd due to attend . Defending champ Fernando Alonso is favorite despite Nigel Mansell leading championship .
British Grand Prix at Silverstone is home race for Jenson Button and Lewis Hamilton . Former F1 world champion Nigel Mansell used to say home crowd gave him advantage . McLaren drivers to have backing of the majority of 100,000-plus crowd due to attend . Defending champ Sebastian Vettel is favorite despite Fernando Alonso leading championship .