NBA Will Add In-Game Challenges, Make Changes To Replay For 2019/20 Season

NBA Coaches will have the ability to challenge plays during the 2019/20 season, according to Shams Charania of The Athletic (Twitter links). The rule will be implemented on a one-year, trial basis.

The league has also made changes to the use of replay. The NBA Replay Center will now be allowed to “trigger instant replay in certain circumstances,” per the league’s press release.

The league experimented with the possibility of challenges during the past two seasons in the G League and during this year’s Summer League. Coaches only received one challenge per game and they must have a timeout remaining to use it.

While the rule will be similar to the NFL’s challenge rule, NBA coaches will send a signal to an official rather than throwing a flag into the playing area. In the G League, coaches “twirl his/her index finger toward the referees,” as ESPN’s Zach Lowe recently explained.

Here’s how the new rule is expected to work, according to Lowe:

  • Coaches will get one challenge per game, whether or not it’s successful.
  • Called fouls, goaltending, basket interference, and out-of-bounds plays are the only calls that can be challenged. Uncalled fouls can’t be challenged.
  • Coaches must have a timeout available to use a challenge, and must use that timeout immediately after the call they want to challenge.
  • If the challenge is successful, the team will get its timeout back. If not, it will be lost.
  • The crew chief for that game’s referee crew will make the final call on challenges involving fouls. All other challenges will be decided by the NBA’s Replay Center.
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