Schumacher?s F1 future uncertain

Michael Schumacher's future in Formula 1 remains uncertain after the German was replaced by Lewis Hamilton at Mercedes. The seven-time champion, who returned to grand prix racing in 2010 following a three-year absence from the sport, said he was focusing on the next races with the team. The German, 43, has been rumoured to be in talks with Sauber, but said he was uncommitted on his future plans.

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