SAN FRANCISCO - AUGUST 29: Running back LaDainian Tomlinson #21 of the San Diego Chargers greets a bunch of youth football players before a preseason game against the San Francisco 49ers on August 29, 2008 at Candlestick Park in San Francisco, California. (Photo by Greg Trott/Getty Images)

SAN FRANCISCO - AUGUST 29: Running back Mike Tolbert #35 of the San Diego Chargers scores during a preseason game against the San Francisco 49ers on August 29, 2008 at Candlestick Park in San Francisco, California. (Photo by Greg Trott/Getty Images)

SAN FRANCISCO - AUGUST 29: Running back Mike Tolbert #35 of the San Diego Chargers head downfield during a preseason game against the San Francisco 49ers on August 29, 2008 at Candlestick Park in San Francisco, California. (Photo by Greg Trott/Getty Images)

SAN FRANCISCO - AUGUST 29: Defensive back Cletis Gordon #24 of the San Diego Chargers drops a potential interception during a preseason game against the San Francisco 49ers on August 29, 2008 at Candlestick Park in San Francisco, California. (Photo by Greg Trott/Getty Images)

SAN FRANCISCO - AUGUST 29: Running back Jacob Hester #22 of the San Diego Chargers flies through the air during a preseason game against the San Francisco 49ers on August 29, 2008 at Candlestick Park in San Francisco, California. (Photo by Greg Trott/Getty Images)

SAN FRANCISCO - AUGUST 29: Running back Jacob Hester #22 of the San Diego Chargers flies through the air during a preseason game against the San Francisco 49ers on August 29, 2008 at Candlestick Park in San Francisco, California. (Photo by Greg Trott/Getty Images)

SAN FRANCISCO - AUGUST 29: Wide receiver Malcolm Floyd #80 of the San Diego Chargers drops this pass as he is defended by defensive back Shawntae Spencer #36 of the San Francisco 49ers during a preseason game on August 29, 2008 at Candlestick Park in San Francisco, California. (Photo by Greg Trott/Getty Images)

SAN FRANCISCO - AUGUST 29: Wide receiver Malcolm Floyd #80 of the San Diego Chargers heads downfield during a preseason game against the San Francisco 49ers on August 29, 2008 at Candlestick Park in San Francisco, California. (Photo by Greg Trott/Getty Images)

SAN FRANCISCO - AUGUST 29: Running back Marcus Thomas #25 of the San Diego Chargers fights through the line of scimmage during a preseason game against the San Francisco 49ers on August 29, 2008 at Candlestick Park in San Francisco, California. (Photo by Greg Trott/Getty Images)

SAN FRANCISCO - AUGUST 29: Running back LaDainian Tomlinson #21 of the San Diego Chargers relaxes on the bench during a preseason game against the San Francisco 49ers on August 29, 2008 at Candlestick Park in San Francisco, California. (Photo by Greg Trott/Getty Images)

SAN FRANCISCO - AUGUST 29: Linebacker Shawne Merriman #56 of the San Diego Chargers relaxes on the bench during a preseason game against the San Francisco 49ers on August 29, 2008 at Candlestick Park in San Francisco, California. (Photo by Greg Trott/Getty Images)

SAN FRANCISCO - AUGUST 29: Head coach Norv Turner of the San Diego Chargers laughs during a preseason game against the San Francisco 49ers on August 29, 2008 at Candlestick Park in San Francisco, California. (Photo by Greg Trott/Getty Images)

SAN FRANCISCO - AUGUST 29: Kick returner Delanie Walker #46 of the San Francisco 49ers celebrates on the bench after he returned a kickoff 101 yards for a touchdown against the San Diego Chargers during a preseason game against the San Diego Chargers on August 29, 2008 at Candlestick Park in San Francisco, California. (Photo by Greg Trott/Getty Images)

SAN FRANCISCO - AUGUST 29: Quarterback Charlie Whitehurst #6 of the San Diego Chargers sits dejectedly after his pass was dropped during a preseason game against the San Francisco 49ers on August 29, 2008 at Candlestick Park in San Francisco, California. (Photo by Greg Trott/Getty Images)

SAN FRANCISCO - AUGUST 29: Quarterback Alex Smith #11 of the San Francisco 49ers delivers a pass during a preseason game against the San Diego Chargers on August 29, 2008 at Candlestick Park in San Francisco, California. (Photo by Greg Trott/Getty Images)

SAN FRANCISCO - AUGUST 29: Wide receiver Bryant Johnson #82 of the San Francisco 49er heads downfield during a preseason game against the San Diego Chargers on August 29, 2008 at Candlestick Park in San Francisco, California. (Photo by Greg Trott/Getty Images)

SAN FRANCISCO - AUGUST 29: Wide receiver Arnaz Battle #83 of the San Francisco 49er heads downfield during a preseason game against the San Diego Chargers on August 29, 2008 at Candlestick Park in San Francisco, California. (Photo by Greg Trott/Getty Images)