ESPNF1 Columnist

September 28, 2012: Lewis Hamilton says that "it's simply gloves-off" in terms of the championship battle this season with six races remaining

September 28, 2012: The FIA has confirmed the 2013 calendar following a meeting of the World Motor Sport Council (WMSC) in Paris

September 28, 2012: Ross Brawn says Lewis Hamilton's move from McLaren to Mercedes is not due to money, insisting Mercedes did not offer him an increased salary

September 28, 2012: Kimi Raikkonen says Lotus has to improve on its Singapore performance in order to remain in the championship hunt

September 28, 2012: Martin Whitmarsh says McLaren "went a long way to make a good offer" to keep Lewis Hamilton and thinks it would have been the best place for him to continue winning races

September 28, 2012: Peter Sauber has backed Sergio Perez's move to McLaren and says he will not be rushing the decision to announce his 2013 driver line-up

September 28, 2012: Michael Schumacher has thanked Mercedes for its "unconditional commitment" after it was confirmed he would be replaced by Lewis Hamilton in 2013

September 28, 2012: McLaren team principal Martin Whitmarsh says Sergio Perez "lacks nothing in terms of speed and commitment" after signing him to replace Lewis Hamilton

September 28, 2012: Sergio Perez will replace Lewis Hamilton at McLaren after signing a 'multi-year deal', the team has confirmed