On a night when the Chargers had only two plays from scrimmage gain as many as 20 yards, a punt return was their most explosive moment. Rookie Derius Davis went 87 yards for the game’s first points Monday not even two minutes into their 27-6 victory over the New York Jets. “Watching him make guys miss and run around makes me wish I was 170 pounds and quick like that,” edge rusher Joey Bosa…