SAN FRANCISCO — Frank Gore saw a huge hole with the clock ticking down and his team trailing, and went for it with everything he had.
Maybe not a season-saving 51-yard burst, but darn close to it.
The San Francisco 49ers are far from ready to hand over their two-year division reign — and certainly not on their home field, where they rarely lose against the NFC West.
Phil Dawson kicked a 22-yard field goal, his fourth of the game, with 26 seconds remaining and the Niners held off the Seahawks, 19-17, on Sunday, denying Seattle a chance to clinch the division at Candlestick Park.
‘‘We’re playing for our lives,’’ wideout Anquan Boldin said. ‘‘We’re playing playoff football right now. It’s win or go home.’’ Full story for BostonGlobe.com subscribers.