Draft:B.League Premier

B.League Premier
Organising bodyJapan Professional Basketball League
First season2016–17 (as B1)
2026–27 (as B.League Premier)
CountryJapan
FederationJapan Basketball Association
ConfederationFIBA Asia
Number of teams26
Level on pyramid1
Feeder toBasketball Champions League Asia
East Asia Super League
Current championsNagasaki Velca (1st title)
(2025–26)
Most championshipsUtsunomiya Brex (3 titles)
PresidentShinji Shimada [ja][1]
TV partnersNHK
Websitewww.bleague.jp
2026–27 B.League Premier season

B.League Premier (also known as B.Premier), formerly the B1 League until 2026, is the top division of the B.League and the Japanese basketball league system. There is no promotion and relegation, and instead teams must meet requirements to earn a membership to compete in B.Premier.

Membership requirements

Teams are required to meet certain requirements to compete in B.League Premier in order to ensure stability among competing teams. At launch, the requirements were:

  • Have an arena capacity of at least 5,000;
  • Have annual revenue amounting to at least ¥1.2 billion; and
  • Have an average attendance of at least 4,000.

Teams

Former teams

Results

Champions

Relegated to B2

The promotion and relegation system was abolished in 2026.

References

  1. ^ Cite error: The named reference JPBL was invoked but never defined (see the help page).

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