By JANIE MCCAULEY

SAN FRANCISCO - Bill Walsh, the groundbreaking football coach who won three Super Bowls and perfected the ingenious schemes that became known as the West Coast offense during a Hall of Fame career with the San Francisco 49ers, has died. He was 75.

Walsh died at his Woodside home Monday morning following a long battle with leukemia.

“This is just a tremendous loss for all of us, especially to the Bay Area because of what he meant to the 49ers,” said Hall of Fame quarterback Joe Montana, the player most closely linked to Walsh’s tenure with the team. “For me personally, outside of my dad he was probably the most influential person in my life. I am going to miss him.”

Walsh didn’t become an NFL head coach until 47, and he spent just 10 seasons on the San Francisco sideline. But he left an indelible mark on the United States’ most popular sport, building the once-woebegone 49ers into the most successful team of the 1980s with his innovative offensive strategies and teaching techniques.

The soft’spoken native Californian also produced a legion of coaching disciples that’s still growing today. Many of his former assistants went on to lead their own teams, handing down Walsh’s methods and schemes to dozens more coaches in a tree with innumerable branches.

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