Tight end Saubert made the decisive two-point conversion for Seattle.
Seattle staged a stunning comeback to defeat the Los Angeles Rams in overtime, clinching their spot in the postseason.
Overcoming a 30-14 deficit in the final period, the Seattle squad 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 game day, the Seattle team booked their return to the play-offs after a 24-month hiatus.
With this outcome, the Seattle now lead their Conference standings with a 12-3 record, replacing the Rams, who fell to the fifth playoff position with an 11-4 record.
Quarterback Darnold threw two interceptions but regrouped to make two scoring throws, culminating in the tying score to star receiver Smith-Njigba in overtime.
The visitors held a six-point lead at the break before Kenneth Walker III broke free for a long touchdown run for Seattle.
Rams cornerback Wallace then took back Darnold's initial interception for 56 yards, setting up a short touchdown by Blake Corum on the ensuing snap.
In the fourth quarter, a touchdown from Matthew Stafford to Puka Nacua pushed the advantage to sixteen points, but Shaheed ignited Seattle's hope with a 58-yard return for a score.
Darnold then found Barner in the endzone, and a successful two-point play forced the contest into an extra period.
Although Puka Nacua scored for his second TD in OT, Jaxon Smith-Njigba answered in kind to set up the decisive score.
Aria Vance is a lifestyle blogger and shopping expert who curates exclusive deals and premium finds for discerning consumers.