Seahawks vs 49ers Props & Best Bets for Week 18

With so much at stake in Week 18 for these NFC West rivals, we're heavy on the San Francisco offense with our favorite Seahawks vs. 49ers player props.

Ryan Gilbert - Contributor at Covers.com
Ryan Gilbert • Betting Analyst
Jan 2, 2026 • 14:04 ET • 4 min read
Jauan Jennings San Francisco 49ers NFL
Photo By - Imagn Images. 49ers WR Jauan Jennings (15) points after scoring a touchdown.

The NFC West title and top seed in the conference are on the line as the San Francisco 49ers host the Seattle Seahawks at Levi’s Stadium on Saturday night. 

I’m looking in San Francisco’s direction in my top Seahawks vs. 49ers player props for this matchup.

Read on as I break down my Seahawks vs. 49ers predictions and NFL picks on Saturday, January 3.

Seahawks vs 49ers props

Player Pick FanDuel
49ers Brian Robinson Jr. Over 14.5 rushing yards -114
49ers Brock Purdy Over 1.5 passing TDs -138
49ers Jauan Jennings Anytime TD +185
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Prop bet #1: Brian Robinson Jr. Over 14.5 rushing yards

-114 at FanDuel

Brian Robinson Jr. has provided the San Francisco 49ers with a nice No. 2 option behind Christian McCaffrey in the backfield. He hasn’t had any huge games this season — his season-high is 53 yards — but he also hasn’t typically been silenced.

Robinson has at least 20 yards, let alone 15, in all but three games this season. He doesn’t see nearly as many snaps as McCaffrey or even fullback Kyle Juszczyk, but he makes the most of his usage. 

He’s capable of getting half of these yards on one rush, as he has a longest rush of seven or more yards in 12 games this season, including seven with a double-digit run.

Prop bet #2: Brock Purdy Over 1.5 passing touchdowns

-138 at FanDuel

Brock Purdy has come alive with 11 passing touchdowns in the last three weeks, including five in Indianapolis two weeks ago. Now, I don’t expect anything near that against a stingy Seattle Seahawks defense, but two touchdown passes isn't too much to ask for.

Purdy has thrown for multiple touchdowns in six of eight games this season, including Week 1 in Seattle. That was the first of seven games that the Seahawks allowed multiple touchdown passes, most recently giving up three to Matt Stafford two weeks ago.

Prop bet #3: Jauan Jennings anytime touchdown

+185 at FanDuel

49ers wide receiver Jauan Jennings has benefited from Purdy’s resurgence, scoring in five straight games and seven of his last eight, including a two-score game against the Titans three weeks ago.

Jennings leads the 49ers with 84 targets on the season, including 19 in the red zone.

It doesn’t matter if it's in the red zone or from just inside field-goal range. Jennings can score in tight spaces or from range.

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Ryan Gilbert - Covers
Betting Analyst

Ryan Gilbert brings the passion and pain of being a Philadelphia sports fan. After graduating from Monmouth University with a finance degree, he now uses his statistical background to find inefficiencies in betting markets. With past stops at NHL.com, NBC Sports, and currently at Covers, Ryan's hot picks blend well with the cold ice of a hockey rink.

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