SAN FRANCISCO -- The 49ers extended their win streak to seven games, the franchise's longest since 1997.
Theres been no jarring chord changes, no dissonant notes. David Shaw blends right in, like soothing background music.
Like Sade perhaps, Shaws pregame listening of choice.
SANTA CLARA -- For five of his seven NFL seasons, 49ers cornerback Shawntae Spencer's role with the 49ers was never in question.Spencer, 29, who entered this season with a streak of 32 consecu