NFL Predictions

Miami Dolphins vs San Francisco 49ers Predictions

Sunday, September 20, 2026 at 4:25pm EST at Levi's Stadium, Santa Clara, CA

Miami

Dolphins

Spread +13.5
@
San Francisco

49ers

Spread -13.5
50% 50%
Spread Miami Dolphins +13.5 San Francisco 49ers -13.5
Moneyline Miami Dolphins +625 San Francisco 49ers -950
Total Over 44.5 (-115) Under 44.5 (-105)

Who wins this game?

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Dolphins vs. 49ers Prediction: Can San Francisco Cover 13.5?

Analysis updated September 20, 2026 at 6:12 AM CDT

Miami will be missing Chop Robinson and Ronnie Harrison Jr. against a 49ers team that opened with a 20-point victory. The betting recommendation is Pass.

Miami's defensive absences meet a demanding spread

Miami will be without edge rusher Chop Robinson and inside linebacker Ronnie Harrison Jr., according to the Miami Dolphins' official preview. That leaves absences at two levels of the defense against San Francisco, which beat the Rams 27-7 in Week 1. SPF lists the 49ers at -13.5, requiring a win by at least 14 points to cover.

The same preview reports that Miami rookies played 436 snaps in the opener, the most in a Week 1 game since snap-count records began in 2006. That establishes how heavily Miami relied on newcomers, but it doesn't show how well they played or justify betting against them.

San Francisco 49ers confirmed that wide receiver De'Zhaun Stribling went on injured reserve Saturday. The Dolphins' preview also lists 49ers kicker Eddy PiƱeiro as questionable, leaving his availability unresolved.

Winner and wager

San Francisco is the likely winner. At SPF's -950 moneyline, though, a $950 stake returns just $100 in profit and needs a win probability above 90.5% to break even. One convincing result and Miami's absences don't establish that probability or a dependable margin against the spread.

Pick San Francisco 49ers
Confidence low
Betting lean Pass
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