San Francisco 49ers quarterback Nate Davis scrambles past San Diego Chargers defensive end Larry English during the second quarter of an NFL preseason football game Friday, Sept. 4, 2009 in San Diego. Davis was eventually sacked for a two-yard loss. (AP Photo/Denis Poroy)

San Francisco 49ers coach Mike Singletary paces the sidelines during the 49ers' NFL preseason football game against the San Diego Chargers Friday, Sept. 4, 2009 in San Diego. (AP Photo/Chris Park)

San Francisco 49ers wide receiver Jason Hill celebrates with teammates, including quarterback Nate Davis (7) after his 21-yard touchdown reception during the second quarter of an NFL preseason football game Friday, Sept. 4, 2009 in San Diego. (AP Photo/Denis Poroy)

San Francisco 49ers wide receiver Jason Hill drags San Diego Chargers cornerback C.J. Spillman on his way to a 21-yard touchdown reception during the second quarter of an NFL preseason football game Friday, Sept. 4, 2009 in San Diego. (AP Photo/Denis Poroy)

San Diego Chargers wide receiver Legedu Naanee tries to pull in a long pass as he is held by San Francisco 49ers cornerback Tarell Brown during the second quarter of an NFL preseason football game Friday, Sept. 4, 2009 in San Diego. Naanee dropped the pass but Brown was called for 38-yard pass interference penalty. (AP Photo/Denis Poroy)

San Francisco 49ers quarterback Shaun Hill is scaked by San Diego Chargers linebacker Shaun Phillips with an assist from defensive tackle Luis Castillo for a five-yard loss in the first quarter during an NFL preseason football game Friday, Sept. 4, 2009 in San Diego. (AP Photo/Lenny Ignelzi)

San Diego Chargers' Kassim Osgood, left, and Kevin Ellison celebrate Osgood's 39-yard touchdown reception against the San Francisco 49ers during the first quarter of a NFL preseason football game Friday, Sept. 4, 2009 in San Diego. (AP Photo/Lenny Ignelzi)

San Diego Chargers wide receiver Kassim Osgood pulls in a 39-yard touchdown pass in front of San Francisco 49ers cornerback Nate Clements during the first quarter of a NFL preseason football game Friday, Sept. 4, 2009 in San Diego. (AP Photo/Lenny Ignelzi)

San Diego Chargers' Antoine Cason, center, recovers the on-side kick on the opening kick off against the San Francisco 49ers during the first quarter of a NFL preseason football game Friday, Sept. 4, 2009 in San Diego. The 49ers Terrail Lambert, left, is late getting to the ball. (AP Photo/Lenny Ignelzi)

San Francisco 49ers quarterback Shaun Hill looks to pass against the San Diego Chargers during the first quarter of a NFL preseason football game Friday, Sept. 4, 2009 in San Diego. (AP Photo/Lenny Ignelzi)

San Francisco 49ers safety Dashon Goldson, right, breaks up a long pass intended for San Diego Chargers wide receiver Malcom Floyd in an NFL preseason football game Friday, Sept. 4, 2009 in San Diego. (AP Photo/Chris Park)

Qualcomm Stadium during team introductions prior to the final NFL preseason football game between the San Diego Chargers and the San Francisco 49ers at Qualcomm Stadium on Friday, Sept. 4, 2009 in San Diego. (AP Photo/Chris Park)