Cooper Flagg Exits Friday's Game With Shoulder Injury, Torching Prop Bets Everywhere

There is no notification on a sports fan's phone quite as devastating as the mid-game injury alert.

Underdog NBA delivered the bad news on Friday night, reporting that Dallas Mavericks forward Cooper Flagg will not return to the game due to a shoulder injury.

"Status alert: Cooper Flagg (Shoulder) won't return Friday. - @UnderdogNBA"

If you felt a sudden disturbance in the force, it was just thousands of prop bettors simultaneously closing their sportsbook apps in disgust.

This is not exactly a shocking development if you have been paying attention to the Mavericks this week. The 2025 No. 1 overall pick originally banged up his left shoulder early in Monday's 101-94 loss to the Oklahoma City Thunder.

He tried to tough it out and stay in the lineup for Friday's contest, but clearly, the shoulder decided it had seen enough basketball for one week.

Flagg is no stranger to the trainer's table, having battled through ankle sprains dating back to his time with the Duke Blue Devils and earlier this year in January.

When a franchise cornerstone with a lingering issue leaves a game early, the local panic meter instantly hits the red zone.

Dallas now has to navigate the rest of the night without their star rookie, leaving a massive hole in the rotation and forcing the supporting cast to pick up the slack.

Everyone will be refreshing their feeds waiting for the postgame press conference, hoping this is just a precautionary rest rather than a long-term problem for the Mavericks.