The news has just come in that Jenson Button has completed his move from Brawn GP (now known as Mercedes Grand Prix) to McLaren. He completes an all British team, lining up alongside 2008 world champion Lewis Hamilton.

The news has just come in that Jenson Button has completed his move from Brawn GP (now known as Mercedes Grand Prix) to McLaren. He completes an all British team, lining up alongside 2008 world champion Lewis Hamilton.

Button will double his £4 million Brawn salary next year, with the iconic British team reportedly offering £8 million a year to drive for them from 2010. It creates a rare situation with McLaren now fielding two world champions in their line-up - the first time F1 has seen this since the same team boasted the legendary line-up of Alain Prost and Ayrton Senna back in 1989.

This of course creates one of Button's greatest career challenges to date. Lewis Hamilton is part of the furniture at McLaren having been groomed by the team since the age of 10, and coming into this team is far from easy. We all remember what happened the last time a world champion drove alongside the young Brit.

Many doubters have questioned the newly crowned champion's ability, believing his success to be down to the massive advantage the Brawn car possessed early in the 2009 season. Button will have the chance to prove those doubters wrong by driving in the same car as Hamilton.

After a poor start to the 2009 season, McLaren came back strongly into the second half of the season. This form is expected to be carried into 2010 giving Button a winning car and the opportunity to defend his title.

Full press release can be found by clicking below.

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