49ers and Chargers meet for second preseason game in Los Angeles

The San Francisco 49ers face the Los Angeles Chargers tonight in their second preseason game at The Bolt in El Segundo, California. The matchup features several familiar faces, including Jim Harbaugh and Mike McDaniel. The 49ers' secondary aims to challenge Chargers quarterbacks Trey Lance and others. Fans can expect to see starters in action, though some key players are in street clothes. Positional battles are expected to add intrigue to the contest.

• 1:45 AMYahoo Sports — 49ers-Chargers preseason game thread: Familiar faces all over the place