Keenan Allen has his second touchdown of the season.
The Chargers have a 6-0 lead.
The Chargers and Saints traded punts before Los Angeles went 80 yards in nine plays for the game’s first score. Justin Jackson had a 36-yard run to the New Orleans 20.
The touchdown came on third-and-seven as Herbert was under pressure on a zero blitz. Malcolm Jenkins nearly sacked Herbert, who rolled right and threw a perfect pass to Allen.
Herbert is 2-for-4 for 29 yards.