PHILADELPHIA—Andy Reid kicked off Homecoming Sunday with a record-setting win in Philadelphia, and Tom Brady finished it with one of his own against Bill Belichick in New England. The road to victory was easier for Reid. The 63-year-old coach watched Patrick Mahomes throw five touchdown passes to lead the high-powered Kansas City Chiefs to a 42–30 win over the Eagles. Reid became the first coach in NFL history to win 100 games with two teams, reaching that milestone against his old club. Brady and the Tampa Bay Buccaneers had to grind out a 19–17 win over the Patriots that was secured when Nick Folk hit the left upright on a 56-yard field goal attempt in the closing seconds on a rain-soaked night. Earlier, Brady became the NFL’s all-time leader in yards passing, breaking Drew Brees’ mark at Gillette Stadium, where the seven-time Super Bowl champion played his first 20 seasons. …