It’s the first night of group play in the NBA Cup and the action kicks off with an Eastern Conference matchup on Prime Video. Tonight’s NBA on Prime doubleheader starts with the Boston Celtics visiting the Philadelphia 76ers,

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Watch the Celtics on Amazon Prime! Yes, you can. To listen to Friday's Celtics game on the radio, tune in to 98.5 FM The Sports Hub at the time of tip-off, as 98.5 is the flagship station of the Boston franchise, according to their website.

Cavs all-star shooting guard Donovan Mitchell was a late addition to the injury report for Wednesday's game in Boston.

The Boston Celtics (2-3) and Philadelphia 76ers (4-0) meet in an Eastern Conference battle Friday. Tip from Xfinity Mobile Arena in Philadelphia, Pennsylvania, is set for 7 p.m. ET. Let's analyze BetMGM Sportsbook's NBA odds around the Celtics vs.