LONDON — John Simpson learned the lesson early in his career with the Raiders and now he is trying to pass it on to his young teammates with the Jets. Take flight with the Jets Text with Brian Costello all season as he brings Sports+ subscribers the latest Jets intel from on the field and off. tRY IT NOW “[Expletive] happens all the time,” Simpson said this week. “Bad things happen to the best teams in the league. They happen to the worst teams in the league. It’s all about what they do once