Briton Jenson Button led home Rubens Barrichello barely a day after Branson confirmed a "substantial sponsorship" deal with the Ross Brawn-owned team.

BBC: Branson hints at Brawn GP buy-in

Brawn GP drivers Jenson Button and Rubens Barrichello secured a one-two at the season-opener in Melbourne barely 24 hours after Branson confirmed a "substantial sponsorship" deal for the former Honda team, owned by Ross Brawn.

BBC: Branson makes offer to Brawn GP

Branson told BBC Sport that Virgin had signed a three-year title sponsorship deal that did not involve any equity in the team.

BBC: Lucas di Grassi joins new-look Virgin Formula 1 team

Branson, who was last month linked with buying the team, announced a "substantial sponsorship deal" at the Australian Grand Prix on Saturday.

BBC: Virgin to sponsor Brawn F1 team