Tight end Eric Saubert made the game-winning two-point play for the Seahawks.
Seattle engineered a remarkable fightback to defeat the Los Angeles Rams in extra time, securing their spot in the NFL play-offs.
Rallying from a sixteen-point deficit in the fourth quarter, the Seahawks emerged victorious by a single point at home, notching their fifth consecutive victory.
While the Los Angeles had already secured a playoff spot earlier on Sunday, the Seattle team booked their return to the play-offs after a two-year hiatus.
With this result, the Seattle have taken over their division's standings with a 12-3 record, replacing the Los Angeles, who fell to the fifth playoff position with an eleven and four standing.
Signal-caller Sam Darnold had two picks but recovered to deliver two scoring throws, culminating in the tying score to star receiver Smith-Njigba in the extra period.
The Rams held a six-point advantage at half-time before Kenneth Walker III broke free for a 55-yard touchdown run for Seattle.
Rams defensive back Wallace then took back Darnold's initial interception for a big return, leading to a short score by Blake Corum on the ensuing snap.
In the fourth quarter, a touchdown from Matthew Stafford to Nacua pushed the advantage to sixteen points, but Rashid Shaheed provided Seattle's hope with a spectacular punt return.
Darnold then found AJ Barner in the end zone, and a successful two-point play forced the game into overtime.
Although Nacua raced in for his another touchdown in overtime, Jaxon Smith-Njigba answered in kind to setup the game-winning conversion.
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