The Dallas Cowboys broke a franchise scoring record, for one quarter, with 29 points in the second; en route to a blow-out victory over the Atlanta Falcons at home on Sunday. Dallas began the game, scoring a touchdown for the first opening-drive points since week three. The 73-yard drive of eight plays culminated with QB Dak Prescott completing a 13-yard timing pattern to CeeDee Lamb near the left edge of the end zone for a touchdown. The Atlanta Falcons would respond with their only points of the game; a 35-yard field goal by Younghoe Koo, from an eight-play drive of 58 yards. Dallas was heavily favored last week, after a six-game winning streak, but struggled in all facets in its worst defeat to the Denver Broncos. Prescott had just returned after sitting out the previous week due to suffering a right calf sprain. “Last week just wasn’t us,” Prescott said. “Everybody …