The final game of the NFL season is this Sunday, but before then, Tuesday features another busy day on the hardwood, providing plenty of contests to utilize the latest Fanatics Sportsbook promo code CBSFAN, which allows new users to bet and get up to $1,000 in No Sweat Bets in FanCash. This is also the final week of NHL action before the Olympic break, with seven games in action for Tuesday online sports betting options. Use the latest Fanatics Sportsbook promo code CBSFAN with Bet Insurance Rewards up to $1,000 back in FanCash here

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Tuesday NBA betting preview

Tuesday features a 10-game NBA slate, including the Dallas Mavericks hosting the Boston Celtics. Both the Mavericks and Celtics are among the biggest surprises of the 2025-26 NBA season, but for far different reasons. Despite Jayson Tatum (torn Achilles) being out, only one team in the East has a better record than Boston this season. Meanwhile, this was supposed to be a bounce-back season for Dallas after winning the NBA Draft Lottery for the top pick last year, but the Mavericks are 19-30 this season and have lost four straight. The Celtics are 31-18, including 15-10 on the road.

For NBA betting, the Celtics are 7.5-point favorites in the latest Tuesday NBA odds at Fanatics Sportsbook for this 8 p.m. ET contest. Other top Tuesday NBA matchups include Nuggets vs. Pistons (-4.5), Magic vs. Thunder (-7.5) and Suns (-4.5) vs. Trail Blazers. Click here to sign up for Fanatics Sportsbook to bet and get up to $1,000 in No Sweat Bets in FanCash at Fanatics:

Tuesday college basketball betting preview

Two of the top-five teams in the nation take the court, with both being two of the most popular programs in America. No. 3 UConn hosts Xavier and No. 4 Duke hosts Boston College at 7 p.m. ET, with two teams you are likely to have going far in your brackets next month in action. Both are heavy favorites, with UConn favored by 17.5 points and Duke favored by 26.5 points for college basketball betting. Also, one of the final undefeated teams take the court on Tuesday, and it isn't one you would have predicted a few months ago. Miami (Ohio) is 22-0 and plays Buffalo on the road in MAC play. Miami (Ohio) is favored by 4.5 points. Sign up for Fanatics Sportsbook here:

Big Game NFL betting

The Seattle Seahawks have arguably the game's best wide receiver, and he's continued to prove and strengthen his case during this postseason. Third-year receiver Jaxon Smith-Njigba led the NFL with 1,793 receiving yards, while finishing fourth in receptions (119). He had 10 receptions for 153 yards and a touchdown in Seattle's 31-27 win over the Rams in the NFC Championship Game as, despite teams knowing he would be heavily targeted, many still struggle to contain him. His playmaking ability has been key to Seattle having the league's No. 2 scoring offense at 29.2 points per game this season.

The Patriots don't have a similar WR1 to strike that fear in defensive coaches, but Drake Maye still finished fourth in the league in passing yards (4,394). He was third in passing touchdowns (31), as it can sometimes be just as challenging to contain a team without an elite WR1 as it is to stop one with a stud playmaker. Patriots vs. Seahawks kick off at 6:30 p.m. ET in the 2026 Big Game, and for NFL betting, the Seahawks are favored by 4.5 points in the latest NFL odds at Fanatics Sportsbook. The over/under is set at 45.5 points. Sign up for Fanatics Sportsbook here:

Responsible Gaming

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