The NFC West is never friendly, and 49ers-Seahawks in Week 5 has the feel of a division-defining slugfest. Seattle has Jaxon Smith-Njigba creating mismatches. San Francisco has Christian McCaffrey, who can change a game on any touch.

These familiar rivals tend to play tight, and these three bold predictions look at how this one could play out.

Jaxon Smith-Njigba tops 140 receiving yards

Seattle Seahawks wide receiver Jaxon Smith-Njigba (11) celebrates after scoring a touchdown against the New England Patriots during the fourth quarter at Lumen Field.
Steven Bisig-Imagn Images

Seattle's offense runs through Jaxon Smith-Njigba. He is a precise route runner who wins from the slot and on the outside. San Francisco's defense is built on a fast front and disciplined zone coverage. That scheme can be vulnerable to a receiver who finds soft spots and turns short throws into chunk plays.

The 49ers will want to pressure the quarterback, and that is where Smith-Njigba helps most. He gets open quickly, which lets Seattle beat the rush with timing throws. If the 49ers blitz, he becomes the hot read. If they sit back in coverage, he can work the intermediate middle. Either way, he should see double-digit targets. I expect 140 yards, a touchdown and several big third-down conversions.

Christian McCaffrey scores twice, but Seattle's defense limits him to under 80 rushing yards

McCaffrey remains the most dangerous playmaker in this game. He can beat you as a runner, receiver or in the screen game. The 49ers' offense is at its best when he touches the ball 20 or more times, and I expect Kyle Shanahan to feed him.

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But Seattle's defense should hold him under 80 rushing yards. The Seahawks play fast and tackle well in space. They will likely sell out to take away the outside zone runs that usually set up San Francisco's play-action game.

McCaffrey will still find the end zone twice, once on a goal-line carry and once on a short pass. His efficiency will be down, though, and the 49ers will have to find other ways to move the ball. That helps Seattle control the pace.

Seattle wins a one-score game with a fourth-quarter defensive stop

Divisional games tend to be tight, physical and tense. These teams know each other well, and that usually shrinks the margin for error. I expect a back-and-forth game with neither team leading by more than a touchdown for long.

The deciding factor will be Seattle's ability to make a stop late. The Seahawks' pass rush has the speed to disrupt San Francisco's timing in the fourth quarter, when drives need to be sustained. A sack, a tipped pass or a fourth-down stop could be the difference. Home-field energy should matter as well, because crowd noise can force the visiting offense into mistakes on key downs.