Two takeaways, two short scoring fields
Detroit won 31-30 despite being outgained 469 yards to 369. The yardage gap is a useful reminder of how much ground New Orleans covered. The third quarter shows why the Lions had so much margin to spend.
Derrick Barnes intercepted Tyler Shough with 15:00 on the third-quarter clock and returned the ball to the Saints' 41. Detroit turned that possession into a Jahmyr Gibbs one-yard touchdown run and a 14-0 lead.
Barnes then helped create the next opportunity. His six-yard sack put New Orleans in third-and-14. On the next play, Roger McCreary sacked Shough and forced a fumble that DJ Wonnum recovered at the Saints' 25. Three plays later, Jared Goff found Amon-Ra St. Brown for a 19-yard touchdown on third-and-4. It was 21-0.
The important detail is not just that Detroit took the ball away. Both possessions began in New Orleans territory, and both ended in touchdowns. Those were concrete opportunities, not proof that the Lions would have scored anyway or a window into anyone's defensive assignment. They turned a 7-0 game into a three-touchdown lead.
The yard that became 13
That cushion did not hold. New Orleans had cut the deficit to 21-17 when Detroit reached first-and-goal at the Saints' 1 in the fourth quarter. Then the distance changed in a hurry.
An offensive holding penalty on Ben Bartch moved the Lions back to the 11. Carl Granderson followed with a two-yard sack of Goff, leaving second-and-goal from the 13. A Sione Vaki run and a St. Brown catch gained four yards apiece, and Jake Bates kicked a 23-yard field goal for a 24-17 lead.
There is no guaranteed touchdown to subtract from the penalty or the sack. What is visible is the problem they created: Detroit went from needing one yard to facing 13 on second down. The field goal left New Orleans within a touchdown and extra point, and Shough's nine-yard touchdown pass to Juwan Johnson tied it 24-24 with 1:07 left in regulation.
Gibbs kept the overtime possession moving
Once the game was tied, Detroit needed fresh work from its offense. Gibbs supplied it on the overtime touchdown possession, not with one breakaway but with three second-down conversions.
He gained 11 yards on second-and-1, seven on second-and-3 and 10 on second-and-10. Each run brought a new set of downs before the Lions faced a third down in that stretch. Gibbs finished with 156 yards on 29 carries; those three runs show the particular value of the workload when Detroit needed to keep moving.
The possession still required an answer through the air. After Gibbs lost a yard, Goff completed 22 yards to Jameson Williams on second-and-11, setting up first-and-goal at the 5. Two plays later, Goff hit St. Brown for a four-yard touchdown and a 31-24 lead.
A touchdown was not the finish
New Orleans reached the end zone in overtime, too. A Detroit illegal-use-of-hands penalty changed second-and-8 into a first down, and Shough then found Johnson for 27 yards to the Lions' 8. Two plays later, Shough threw an eight-yard touchdown pass to Noah Fant.
That made it 31-30. The Saints went for two, and Shough's conversion pass fell incomplete. Detroit had its one-point win.
The outcome is plain; the reasoning behind the attempt is not in the record. What matters to this game is how narrow the finish became after Detroit had led by 21 and then scored again in overtime.
A lead assembled, erased and rebuilt
Barnes and McCreary helped give Detroit a lead with room to spare. The Saints erased it, and a penalty and sack made the Lions' late regulation possession a field-goal possession rather than a touchdown.
Gibbs and the offense rebuilt the lead in overtime. Even that left almost no margin. Detroit's win came from opportunities seized at different points in the game, not from a comfortable hold on it.