Best NFL Betting Sites for 49ers vs. Rams: Odds, Prediction, How to Watch

New customers can stack thousands of dollars in combined value from welcome offers from the best NFL betting sites ahead of Thursday, September 10, 2026.

Tonight, it's an NFC West clash down under, as the 49ers vs. Rams matchup (8:35 p.m. ET, Netflix) will take place at the historic Melbourne Cricket Ground in Melbourne, Australia. The Rams have Super Bowl aspirations, but the 49ers have always played them tough. In fact, five of the last six meetings have been decided by seven points or fewer. The storylines pile up fast. Aaron Donald comes out of retirement to line up next to reigning Defensive Player of the Year Myles Garrett, Matthew Stafford returns as the 2025 MVP, and the Jonas Brothers headline the halftime show. Brock Purdy, Christian McCaffrey and George Kittle handle the counterpunch for San Francisco.

Signing up at two or three of the best NFL betting sites also lets you shop the same number at different prices, which matters more than any single bonus over a full season. Thursday night only opens the door. College football Week 2 delivers a full Saturday slate, and NFL Week 1 rolls on with 13 games on Sunday plus Cowboys vs. Giants under the lights.

That volume rewards anyone who claims a bonus early. You get Thursday, Saturday, and Sunday to turn a first-bet offer into real cash, and most NFL betting sites layer daily profit boosts on top of the welcome promo once your account goes live.

Best NFL Betting Sites for 49ers vs. Rams

1. Fanatics Sportsbook Promo Code ACTION26

Fanatics Sportsbook promo code ACTION26 unlocks a $1,000 Bet Match across 10 days. Wager each day, and a loss returns your stake in bonus bets up to $100, so a $75 loser hands back $75. Loss forgiveness ranks near the top of my list of the best NFL betting sites because it lets you back a live underdog like San Francisco at +3.5 without much downside.

Where it's live: AZ, CO, CT, DC, IA, IL, IN, KS, KY, LA, MA, MD, MI, MO, NC, NJ, NY, OH, PA, TN, VA, VT, WV, WY. Illinois and New York users instead receive 10 100% profit boost tokens, and a Bet $20, Get $350 version runs in select states.

2. BetMGM Bonus Code TOPACTION

BetMGM bonus code TOPACTION carries the biggest number here, refunding a losing first bet up to $1,500 in bonus bets. A neutral-site opener suits a one-shot swing like that, with the Rams and 49ers playing this divisional matchup down under.

Where it's live: AZ, CO, DC, IA, IL, IN, KS, KY, LA, MA, MD, NC, OH, TN, VA, WY. MI, NJ, PA and WV get a Bet $10, Get $150 If You Win version, and bonus code TANGET2 delivers $1,000 in No Sweat Tokens elsewhere.

3. bet365 Bonus Code

With the bet365 bonus code, a $10 first wager triggers $365 in bonus bets plus 50 casino spins, win or lose, and the offer runs through Sept. 22. That makes it the most efficient of these NFL betting sites on a dollar-per-risk basis. I'd point the $365 at anytime touchdown parlays across Sunday's 13-game slate.

Where it's live: AZ, CO, IA, IN, KS, KY, LA, MD, MI, MO, NC, NJ, OH, PA, VA. A $1,000 First Bet Safety Net runs in other markets, with a $150 version in IL and TN.

4. DraftKings Promo Code

Bet $5 on the Melbourne opener and collect $200 in bonus bets, paid as four $50 installments, without a DraftKings promo code required to enter. The first installment lands once your bet settles, then another arrives every seven days through Week 4.

Where it's live: AZ, CO, CT, DC, IA, IL, IN, KS, KY, LA, MA, MD, ME, MI, MO, NC, NH, NJ, NY, OH, PA, TN, VA, VT, WV, WY.

5. FanDuel Promo Code

FanDuel asks for a $5 wager on seven straight days and releases $50 in bonus bets each time one settles, up to $350. Start Thursday night in Melbourne, and you carry a full bonus bankroll into Week 3. The requirement does not require a FanDuel promo code.

Where it's live: AZ, AR, CO, CT, DC, IL, IA, IN, KS, KY, LA, MA, MD, MI, MO, NC, NJ, NY, OH, PA, TN, VA, VT, WV, WY.

6. theScore Bet Promo Code ACTNEWS

With theScore Bet promo code ACTNEWS delivers a $1,000 First Bet Reset, so a losing opener returns in bonus bets up to $1,000. That ceiling from one of the best NFL betting sites gives you room to back a division dog like the 49ers on the road against Los Angeles.

Where it's live: AZ, CO, IA, IL, IN, KS, KY, LA, MA, MD, MO, NC, OH, TN, VA. MI, NJ, PA and WV get a Bet $10, Get $100 If You Win version instead.

7. betPARX Promo Code TANBONUS

The offer from the betPARX promo code TANBONUS includes 100% bet insurance, refunding a losing first wager up to $50. With one game on the board Thursday, that safety net makes an ideal home for a longshot same-game parlay out of Melbourne.

Where it's live: PA only.

8. Hard Rock Bet Promo Code

No Hard Rock Bet promo code entry applies, since the registration link handles it. Bet $5 and collect $100 in bonus bets if it wins, which pairs well with a short-priced favorite like the Rams. Spread the $100 across futures such as Myles Garrett for Defensive Player of the Year.

Where it's live: MI and NJ only.

NFL Prediction Markets vs. Betting Sites: Kalshi and Polymarket Offers

Prediction markets open another lane, and they reach far more states than the NFL betting sites above. If sports betting hasn't gone legal where you live, the best NFL prediction market promos give you a way into Thursday night in Melbourne.

1. Kalshi Promo Code ACTION

Kalshi promo code ACTION pays a $25 bonus once you place $25 worth of trades, and the exchange lists single-game markets for every Week 1 matchup plus MVP and Super Bowl boards.

Where it's live: AK, AL, AR, CA, CO, CT, DC, DE, FL, GA, HI, IA, ID, IN, KS, KY, LA, ME, MN, MO, MS, NC, ND, NE, NH, NJ, NM, NY, OK, OR, PA, RI, SC, SD, TN, TX, UT, VA, VT, WI, WV, WY.

2. Polymarket Promo Code ACTION

Polymarket promo code ACTION asks for a $10 first-time deposit and credits a $50 trading bonus with no volume requirement, making it the most generous of the best NFL prediction market promos per dollar risked.

Where it's live: All Kalshi states above, plus WA.

If you like our content and picks, sign up on Polymarket to claim the bonus and start trading Sunday's slate. Note that several states restrict wagers on in-state college teams and college player props, so check your local rules first.

49ers vs. Rams Odds

The Rams opened as a slight 2.5-point favorite before climbing past the key number and becoming a favorite by over a field goal. The total opened at 49.5 and has since dipped a point to 48.5.

Check the NFL odds board before wagering since these numbers could change again before kickoff.

49ers vs. Rams Prediction

It'll cost you a pretty penny to buy back down to -2.5 on the Rams, but I don't think it'll matter in the long run. LA is a well-oiled machine, with a massive overhaul in defensive personnel, and that will ultimately be the key to victory tonight. San Fran has already dealt with injuries throughout the offseason, and some key players like Christian McCaffrey and George Kittle will not be playing at 100%.

49ers vs. Rams Pick: Rams -3.5

How to Watch 49ers vs. Rams