The BetMGM promo code delivers one of the strongest NFL Week 15 bonuses for new users. When you join the sportsbook and place your first wager on the Chiefs vs. Chargers, you can unlock up to $1,500 in bonus bet insurance. If your initial bet loses, BetMGM refunds your stake in bonus bets – giving you a valuable second chance during one of the week’s most anticipated AFC West matchups. Below, we break down how the BetMGM welcome bonus works, how to claim it, and what to expect from the Chiefs vs. Chargers showdown. BetMGM welcome offer: Get up to $1,500 bonus bets if your first wager loses The Week 15 clash between the Kansas City Chiefs and Los Angeles Chargers at Arrowhead Stadium is perfectly timed for new bettors looking to join BetMGM. With the promo code BETMGMBONUS, your first wager is protected: > If your first bet wins, you keep your cash winnings. > If your first bet loses, you get your stake back in bonus bets, up to $1,500. There are no minimum odds requirements, and the offer is available immediately after registration and deposit. Example payout If you place $100 on Chiefs -4.5 (-110): > Win: You earn $90.91 in cash profit. > Lose: BetMGM refunds your $100 as a $100 bonus bet. How to claim the BetMGM promo code Follow these steps to unlock the BetMGM welcome bonus: > Click on our BetMGM Sportsbook promo code link and start your registration. > Enter your personal details and upload any required verification documents. > Enter promo code: BETMGMBONUS. > Make a first deposit of $10 or more. > Place your first wager on any market for Chiefs vs. Chargers. > If your bet loses, BetMGM automatically refunds your stake in bonus bets (up to $1,500). Bonus bet breakdown: How BetMGM refunds your wager The refund structure varies based on the size of your first bet: > First bet of $49 or less is returned as one bonus bet of equal value. First bet of $50 or more is returned as five bonus bets, each worth 20% of your original stake. > Bonus bets are non-withdrawable. > They expire in 7 days. > A 1x playthrough is required to convert bonus bets into withdrawable cash. Always review the full terms and conditions on BetMGM’s website before opting in. Chiefs vs. Chargers preview: odds, predictions & key storylines The Chiefs and Chargers enter Week 15 with drastically different momentum. Kansas City Chiefs Kansas City is experiencing an uncharacteristically shaky season, ranking 21st in the NFL. The Chiefs have dropped four of their last five, including a 10-point loss to the Texans last Sunday. With playoff hopes jeopardized for the first time in the Patrick Mahomes era, a home win is crucial. Los Angeles Chargers The Chargers are thriving under head coach Jim Harbaugh, with just one loss in their last six games. Recent victories over the Raiders and Eagles have boosted their playoff outlook and confidence entering Arrowhead Stadium. Game information > Kickoff: 1 p.m. ET > Watch: CBS/Paramount+ This pivotal AFC West matchup offers plenty of opportunity for NFL bettors, especially with BetMGM’s first bet insurance active for new users. BetMGM promotions available for existing users Even if you have an existing BetMGM account, the sportsbook offers several ongoing bonuses: > Parlay Safety Net: Get bonus bets back if one leg of your qualifying parlay or single-market promo (e.g., NBA first scorer) loses. > Birthday Bonus: Receive a personalized reward based on your MGM Rewards tier. > Refer-a-Friend Bonus: You and your friend both earn $100 in bonuses when they sign up, deposit, and complete the requirements.