SAN FRANCISCO - SEPTEMBER 21: J.T. O'Sullivan #14 of the San Francisco 49ers celebrates with Frank Gore #21 after he scored a touchdown against the Detroit Lions on September 21, 2008 at Candlestick Park in San Francisco, California. (Photo by Jed Jacobsohn/Getty Images)

SAN FRANCISCO - SEPTEMBER 21: Jon Kitna #8 of the Detroit Lions is pressured by Justin Smith #94 of the San Francisco 49ers during an NFL game on September 21, 2008 at Candlestick Park in San Francisco, California. (Photo by Jed Jacobsohn/Getty Images)

SAN FRANCISCO - SEPTEMBER 21: Jon Kitna #8 of the Detroit Lions passes against the San Francisco 49ers during an NFL game on September 21, 2008 at Candlestick Park in San Francisco, California. (Photo by Jed Jacobsohn/Getty Images)

SAN FRANCISCO - SEPTEMBER 21: Vernon Davis #85 of the San Francisco 49ers drops a pass against the Detroit on September 21, 2008 at Candlestick Park in San Francisco, California. (Photo by Jed Jacobsohn/Getty Images)

SAN FRANCISCO - SEPTEMBER 21: Issac Bruce #88 of the San Francisco 49ers celebrates after scoring a touchdown against the Detroit Lions at an NFL game on September 21, 2008 at Candlestick Park in San Francisco, California. (Photo by Jed Jacobsohn/Getty Images)

SAN FRANCISCO - SEPTEMBER 21: Head coach Mike Nolan of the San Francisco 49ers looks on against the Detroit Lions at an NFL game on September 21, 2008 at Candlestick Park in San Francisco, California. (Photo by Jed Jacobsohn/Getty Images)

SAN FRANCISCO - SEPTEMBER 21: Offensive coordinator Mike Martz of the San Francisco 49ers looks on against the Detroit Lions at an NFL game on September 21, 2008 at Candlestick Park in San Francisco, California. (Photo by Jed Jacobsohn/Getty Images)

SAN FRANCISCO - SEPTEMBER 21: Rudi Johnson #32 of the Detroit Lions runs against Takeo Spikes #51 of the San Francisco 49ers during an NFL game on September 21, 2008 at Candlestick Park in San Francisco, California. (Photo by Jed Jacobsohn/Getty Images)

SAN FRANCISCO - SEPTEMBER 21: Jon Kitna #8 of the Detroit Lions is sacked Roderick Green #54 of the San Francisco 49ers during an NFL game on September 21, 2008 at Candlestick Park in San Francisco, California. (Photo by Jed Jacobsohn/Getty Images)

SAN FRANCISCO - SEPTEMBER 21: Nick Harris #2 of the Detroit Lions punts against the San Francisco 49ers during an NFL game on September 21, 2008 at Candlestick Park in San Francisco, California. (Photo by Jed Jacobsohn/Getty Images)

SAN FRANCISCO - SEPTEMBER 21: Frank Gore #21 of the San Francisco 49ers runs against the Detroit Lions on September 21, 2008 at Candlestick Park in San Francisco, California. (Photo by Jed Jacobsohn/Getty Images)

SAN FRANCISCO - SEPTEMBER 21: J.T. O'Sullivan #14 of the San Francisco 49ers passes against the Detroit Lions on September 21, 2008 at Candlestick Park in San Francisco, California. (Photo by Jed Jacobsohn/Getty Images)

SAN FRANCISCO - SEPTEMBER 21: Frank Gore #21 of the San Francisco 49ers scores a touchdown against the Detroit Lions at an NFL game on September 21, 2008 at Candlestick Park in San Francisco, California. (Photo by Jed Jacobsohn/Getty Images)

SAN FRANCISCO - SEPTEMBER 21: Jon Kitna #8 of the Detroit Lions is sacked and looses the ball by Justin Smith #94 of the San Francisco 49ers on September 21, 2008 at Candlestick Park in San Francisco, California. (Photo by Jed Jacobsohn/Getty Images)

SAN FRANCISCO - SEPTEMBER 21: Frank Gore #21 of the San Francisco 49ers runs against the Detroit Lions at an NFL game on September 21, 2008 at Candlestick Park in San Francisco, California. (Photo by Jed Jacobsohn/Getty Images)

SAN FRANCISCO - SEPTEMBER 21: Mark Roman #26 and Nate Clements #22 of the San Francisco 49ers wait to be introduced against the Detroit Lions at an NFL game on September 21, 2008 at Candlestick Park in San Francisco, California. (Photo by Jed Jacobsohn/Getty Images)

SAN FRANCISCO - SEPTEMBER 21: Tarell Brown #25 of the San Francisco 49ers celebrates after an interception against the Detroit Lions at an NFL game on September 21, 2008 at Candlestick Park in San Francisco, California. (Photo by Jed Jacobsohn/Getty Images)

SAN FRANCISCO - SEPTEMBER 21: Shaun McDonald #84 of the Detroit Lions is tackled by Nate Clements #22 of the San Francisco 49ers during an NFL game on September 21, 2008 at Candlestick Park in San Francisco, California. (Photo by Jed Jacobsohn/Getty Images)

SAN FRANCISCO - SEPTEMBER 21: Frank Gore #21 of the San Francisco 49ers runs against Ernie Sims #50 of the Detroit Lions at an NFL game on September 21, 2008 at Candlestick Park in San Francisco, California. (Photo by Jed Jacobsohn/Getty Images)

SAN FRANCISCO - SEPTEMBER 21: Frank Gore #21 of the San Francisco 49ers celebrates after scoring a touchdown against the Detroit Lions at an NFL game on September 21, 2008 at Candlestick Park in San Francisco, California. (Photo by Jed Jacobsohn/Getty Images)

SAN FRANCISCO - SEPTEMBER 21: J.T. O'Sullivan #14 of the San Francisco 49ers passes against the Detroit Lions at an NFL game on September 21, 2008 at Candlestick Park in San Francisco, California. (Photo by Jed Jacobsohn/Getty Images)

SAN FRANCISCO - SEPTEMBER 21: Arnaz Battle #83 of the San Francisco 49ers runs against Dwight Smith #26 of the Detroit Lions at an NFL game on September 21, 2008 at Candlestick Park in San Francisco, California. (Photo by Jed Jacobsohn/Getty Images)

SAN FRANCISCO - SEPTEMBER 21: Vernon Davis #85 of the San Francisco 49ers runs against the Detroit Lions at an NFL game on September 21, 2008 at Candlestick Park in San Francisco, California. (Photo by Jed Jacobsohn/Getty Images)