SEPANG, Malaysia (AP) — Rainy weather may be the only thing that can stop Mercedes from clinching a third straight Formula One constructors' title at this weekend's Malaysian Grand Prix, as new championship leader Nico Rosberg seeks to capitalize on his current edge over teammate Lewis Hamilton. Mercedes has won all but one race this year — when the teammates took each other out in a crash — and is now poised to seal the team championship with five races to spare.Read more on NewsOK.com