Robinson exploded for a career‑high 78 yards in the opening quarter, touching down twice.
Atlanta now enjoys a comfortable 14‑0 advantage.
Saints back Kendre Miller lost the ball at his own 22 after C.J. Henderson stripped it; officials missed the call, prompting a challenge that confirmed the fumble on review. The call was a glaring oversight.
Five plays later, Robinson capped the drive with a 4‑yard sprint into the end zone.
New Orleans was penalized twice for defensive holding on the series, including a call on Kool‑Aid McKinstry for Jahan Dotson on fourth‑and‑4 at the 8‑yard line.
Robinson logged seven carries in the first quarter, while Michael Penix went 3‑for‑6 for 30 yards through the air.