By Tom Bowles Our NFL experts predict, pick and preview the Los Angeles Chargers vs. San Francisco 49ers “Sunday Night Football” game with kickoff time, TV channel and spread. The San Francisco 49ers host the Los Angeles Chargers on “Sunday Night Football” hoping to keep the momentum rolling from an offense revitalized by new acquisition Christian McCaffrey. McCaffrey’s just one game removed from becoming the 11th player in NFL history to throw, pass, and catch a touchdown in a thrilling 31-14 win in Week 8 over the Los Angeles Rams. Now, the other L.A. team comes to town, armed with their own…