Receiver Saubert made the game-winning two-point play for the Seahawks.
Seattle staged a remarkable comeback to overcome the Los Angeles Rams in extra time, securing their place in the NFL play-offs.
Rallying from a sixteen-point hole in the final period, the Seattle squad emerged victorious by a single point at home, notching their fifth straight victory.
While the Los Angeles had become the first to earn a playoff spot earlier on game day, the Seattle team booked their return to the play-offs after a 24-month absence.
With this outcome, the Seattle now lead their Conference standings with a twelve and three mark, replacing the Los Angeles, who dropped to the fifth seed with an eleven and four record.
Quarterback Sam Darnold threw two interceptions but recovered to deliver two touchdown passes, including the tying TD to wideout Jaxon Smith-Njigba in overtime.
The Rams held a six-point advantage at half-time before Kenneth Walker III burst through for a 55-yard scoring dash for Seattle.
Los Angeles defensive back Josh Wallace then took back Darnold's initial pick for a big return, setting up a one-yard score by Blake Corum on the next play.
In the final stanza, a touchdown from Matthew Stafford to Nacua extended the advantage to sixteen points, but Rashid Shaheed provided the comeback with a 58-yard punt return.
Darnold then found Barner in the end zone, and a successful two-point play sent the contest into overtime.
Although Nacua scored for his second touchdown in OT, Smith-Njigba responded in kind to set up the game-winning score.
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