Jayson Tatum and Paul George of the Boston Celtics box out during a game against the Detroit Pistons on Oct. 20, 2026, at Little Caesars Arena in Detroit, Mich. (NBAE via Getty Images)

The best rivalry in the Eastern Conference is back in primetime. Boston visits Philadelphia on NBC tonight, six months after the 76ers rallied from a 3-1 deficit to stun the Celtics in a seven-game first-round series. Underdog is offering new users promo code FOXNEWS to play $10 and get $50 in bonus entries on Celtics-76ers or any NBA game tonight.

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