michael kors black Friday sale Coach Mike Singletary said Thursday that Troy Smith will start Sunday's pivotal NFC West game against the St. Louis Rams in place of Alex Smith, who started San Francisco's past two games.The coach also said he wouldn't hesitate to change quarterbacks during the game if the situation calls for it.The 49ers have changed quarterbacks after each of their past two defeats in an attempt to salvage a losing season. At 59, San Francisco still has an opportunity to capture the NFC West title and end a sevenyear playoff drought by winning its final two games against the St.Spiller, who has been filling in for the injured Fred Jackson, came in averaging 10.1 yards per carry and leading the league with 292 rushing yards. He scored on a 32yard screen pass in the first quarter to give the Bills a 140 lead. With the TD, Spiller has scored a touchdown in six consecutive games, the longest streak by a Buffalo player since Th