Receiver Eric Saubert executed the game-winning two-point play for Seattle.
The Seattle Seahawks engineered a stunning comeback to defeat the Rams in overtime, clinching their place in the postseason.
Rallying from a 30-14 deficit in the final period, the Seattle squad triumphed 38-37 at home, registering their fifth straight win.
While the Rams had become the first to earn a post-season berth earlier on Sunday, the Seahawks secured their place to the play-offs after a 24-month absence.
With this outcome, the Seahawks now lead their division's race with a twelve and three record, supplanting the Los Angeles, who fell to the fifth seed with an 11-4 record.
Signal-caller Darnold had two picks but regrouped to make two touchdown passes, culminating in the tying TD to wideout Smith-Njigba in the extra period.
The visitors held a six-point advantage at half-time before Kenneth Walker III burst through for a 55-yard touchdown run for the home side.
Rams cornerback Wallace then took back Darnold's initial pick for 56 yards, setting up a one-yard touchdown by Corum on the next play.
In the final stanza, a scoring pass from Stafford to Puka Nacua extended the advantage to 30-14, but Shaheed provided the comeback with a 58-yard punt return.
Darnold then connected with Barner in the endzone, and a successful two-point play forced the game into an extra period.
Although Nacua raced in for his second TD in overtime, Jaxon Smith-Njigba answered in kind to set up the game-winning score.
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