MONZA, ITALY - SEPTEMBER 10:  First placed Michael Schumacher of Germany and Ferrari and  second placed Kimi Raikkonen of Finland and McLaren-Mercedes (L)  attend at the press conference after the Italian Formula One Grand Prix at Autodromo Nazionale Monza on September 10, 2006 in Monza, Italy. Schumacher has announced his retirement at the end of this season as Raikkonen will drive for Ferrari in the next season.  (Photo by Vladimir Rys/Bongarts/Getty Images)