Whilst remaining generally tight-lipped on what is undoubtedly the hot topic of the moment in F1, record-breaking multiple world champion Michael Schumacher - comfortably the most successful driver in the sport's 60-year history - has admitted that 'anything can happen' when pressed about a possible return to competition in 2010.

All sorts of wild speculation has been flying around in recent weeks, from rumours that Mercedes Grand Prix - formerly F1 2009 World Champion Brawn GP - want to poach Schumacher away from Ferrari to join ex-Williams ace Nico Rosberg in an all-German 'super team' next year, to suggestions that the three-pointed star is so desperate to sign the 91-time grand prix-winner that it has told him he 'can have any job in the team' he desires [see separate story - click here].

Moreover, the Kerpen native does not deny that his frustrated near-comeback in-place of injured former Ferrari team-mate Felipe Massa at the Scuderia earlier this year has re-whetted his appetite for the fight - and after competing in Massa's annual charity karting challenge at Florian?polis in Brazil at the weekend, Schumacher confirmed that his motorcycling accident-induced neck injury is no longer a barrier to a comeback, as it was during the summer.

When asked by local journalists whether he is genuinely contemplating a return to the grand prix grid at the age of 41 in 2010, Schumacher enigmatically told Brazilian website Terra: "At the moment I am just concentrated on kart racing, but who knows? Anything can happen."