San Francisco 49ers former head coach Bill Walsh died at his Woodside home Monday morning following a long battle with leukemia, according to a Stanford University spokeswoman. Walsh announced in November 2006 he was fighting the blood cancer, which he had been diagnosed with in 2004.Walsh became a coaching icon in the 1980s, leading what had been the league's doormat 49ers to three Super Bowl championships in 1982, 1985 and 1989 and six NFC division titles. He compiled a 102-63-1 record in his 10 years at the helm. The 49ers recruited Walsh from Stanford University, where he returned to coach after hisyears - including serving as general manager - with San Francisco. He also spent three years as an NFL television analyst.