Jared Goff passed for 315 yards and three touchdowns but Detroit lost top defensive player Aidan Hutchinson in a 47-9 thumping of Dallas in Arlington, Texas on Sunday.Hutchinson suffered a serious left leg injury in the third quarter while sacking Dallas quarterback Dak Prescott and was carted off the field.David Montgomery rushed for 80 yards and two touchdowns for the Lions (4-1), who have won three in a row.Prescott passed for 178 yards and was intercepted twice, both by Brian Branch, as the Cowboys (3-3) dropped to 0-3 in home games. Cooper Rush relieved Prescott and was 8-for-11 passing for 46 yards and an interception.CeeDee Lamb had seven catches for 89 yards for Dallas.Detroit raced to a 27-6 halftime advantage.Brandon Aubrey kicked a 34-yard field goal to complete Dallas’ first drive.The Lions needed only five plays to drive 70 yards on their first possession. Goff hit Tim Patrick on a 42-yard pass play and Montgomery finished it off with a 16-yard run.The Cowboys drove 63 yards on their next possession but Prescott was picked off in the end zone by Branch.Jake Bates kicked a 40-yard field goal for Detroit early in the second quarter.