# 2024–25 B1 League season

The 2024–25 B1 League season is ninth season of the B1 League, the top Japanese professional basketball league, since its establishment in 2015. The regular season began on 5 October 2024.
The Hiroshima Dragonflies are the defending champions, having won their first B1 League title after defeating the Ryukyu Golden Kings in the 2024 Finals.

## Teams
### Team changes

| Promoted from 2023–24 B2 League | Relegated from 2023–24 B1 League |
| Shiga Lakes Koshigaya Alphas | Shinshu Brave Warriors Toyama Grouses |

### Coaching changes

| Team | Outgoing | Incoming |
| Off-season |||
| Utsunomiya Brex | Norio Sassa | Kevin Braswell |
| Hiroshima Dragonflies | Kyle Milling | Shogo Asayama |
| Gunma Crane Thunders | Kota Mizuno | Kyle Milling |
| Yokohama B-Corsairs | Taketo Aoki | Lassi Tuovi |
| Nagasaki Velca | Kenjiro Maeda | Mody Maor |
| Shiga Lakes | David Gómez | Kenjiro Maeda |
| Kawasaki Brave Thunders | Kenji Sato | Ronen Ginzburg |
| Ibaraki Robots | Richard Glesnann | Chris Holm |
| Sendai 89ers | Hiroki Fujita | Yoshiro Ochiai |
| Chiba Jets | John Patrick | Trevor Gleeson |
| In-season |||
| Utsunomiya Brex | Kevin Braswell (†) | Zico Coronel (interim) |

#### In-season

* On 24 January 2025, Utsunomiya Brex named Zico Coronel the interim head coach after Kevin Braswell was hospitalized. The team announced the death of Braswell on 24 February 2025.

## Foreign players

This is the full list of international players competing in the 2024–25 season.
| Team | Player 1 | Player 2 | Player 3 | Player 4 | Replaced |
| Akita Northern Happinets | Mohammad Gadiaga | Tanner Leissner | Christian Mekowulu | Yannis Morin | – |
| Alvark Tokyo | Artūras Gudaitis | Léonardo Meindl | Sebastián Saiz | – | – |
| Chiba Jets | D. J. Hogg | John Mooney | Michael Ou | Chris Smith | – |
| Fighting Eagles Nagoya | Isaac Butts | Justin Harper | Sean O'Mara | Tseng Hsiang-chun | – |
| Gunma Crane Thunders | Trey McKinney-Jones | Kaleb Tarczewski | Johannes Thiemann | – | – |
| Hiroshima Dragonflies | Kerry Blackshear | Dwayne Evans | Nick Mayo | Worth Smith | – |
| Ibaraki Robots | Robert Franks | Eric Jacobsen | Sun Siyao | Chehales Tapscott | – |
| Kawasaki Brave Thunders | Rosco Allen | Alize Johnson | Sacha Killeya-Jones | Matthew Wright | – |
| Koshigaya Alphas | Jeff Gibbs | L. J. Peak | Tim Soares | Kai Sotto | – |
| Kyoto Hannaryz | Angelo Caloiaro | Jordan Heath | Charles Jackson | – | – |
| Levanga Hokkaido | Terry Allen | Ryan Kriener | Dwight Ramos | Thomas Welsh | – |
| Nagasaki Velca | Jarrell Brantley | A. J. Edu | Mark Smith | Stephen Zack | – |
| Nagoya Diamond Dolphins | Zylan Cheatham | Scott Eatherton | Luke Maye | – | – |
| Osaka Evessa | Matt Bonds | Volodymyr Gerun | Ryan Luther | Ray Parks | – |
| Ryukyu Golden Kings | Keve Aluma | Jack Cooley | Vic Law | – | – |
| Saga Ballooners | Yoeli Childs | Chase Fieler | Reynaldo Garcia | – | – |
| San-en NeoPhoenix | David Dudzinski | Yante Maten | David Nwaba | – | – |
| SeaHorses Mikawa | Zach Auguste | Davante Gardner | Jake Layman | – | – |
| Sendai 89ers | Nathan Boothe | Cristiano Felício | Stanton Kidd | Yang Jae-min | – |
| Shiga Lakes | Javier Carter | Markeith Cummings | Brock Motum | Yu Ai-che | – |
| Shimane Susanoo Magic | Coty Clarke | Nick Kay | J. M. McAdoo | – | – |
| Sun Rockers Shibuya | Anthony Clemmons | Kevin Jones | Reid Travis | – | – |
| Utsunomiya Brex | Isaac Fotu | Grant Jerrett | D. J. Newbill | – | – |
| Yokohama B-Corsairs | Gary Clark | Damien Inglis | Maik Kotsar | Kiefer Ravena | – |

## Regular season
### Standings

| Pos | Central Division | GP | W | L | Pct | GB | PF | PA | PD |
| 1 | San-en NeoPhoenix | 39 | 35 | 4 | .897 | – | 3625 | 3068 | +557 |
| 2 | Alvark Tokyo | 40 | 29 | 11 | .725 | 6.5 | 3066 | 2820 | +246 |
| 3 | SeaHorses Mikawa | 40 | 28 | 12 | .700 | 7.5 | 3306 | 3002 | +304 |
| 4 | Nagoya Diamond Dolphins | 40 | 22 | 18 | .550 | 13.5 | 3281 | 3248 | +33 |
| 5 | Sun Rockers Shibuya | 40 | 22 | 18 | .550 | 13.5 | 2991 | 2845 | +146 |
| 6 | Fighting Eagles Nagoya | 40 | 18 | 22 | .450 | 17.5 | 3120 | 3232 | -112 |
| 7 | Yokohama B-Corsairs | 40 | 16 | 24 | .400 | 19.5 | 3012 | 3178 | -166 |
| 8 | Kawasaki Brave Thunders | 40 | 13 | 27 | .325 | 22.5 | 3096 | 3418 | -322 |
| Pos | East Division | GP | W | L | Pct | GB | PF | PA | PD |
| 1 | Utsunomiya Brex | 40 | 33 | 7 | .825 | – | 3447 | 3030 | +417 |
| 2 | Gunma Crane Thunders | 40 | 29 | 11 | .725 | 4 | 3144 | 2863 | +281 |
| 3 | Chiba Jets | 40 | 26 | 14 | .650 | 7 | 3251 | 3106 | +145 |
| 4 | Akita Northern Happinets | 40 | 19 | 21 | .475 | 14 | 2944 | 2963 | -19 |
| 5 | Levanga Hokkaido | 40 | 14 | 26 | .350 | 19 | 2949 | 3171 | -222 |
| 6 | Koshigaya Alphas | 40 | 13 | 27 | .325 | 20 | 3090 | 3242 | -152 |
| 7 | Ibaraki Robots | 40 | 8 | 32 | .200 | 25 | 2915 | 3259 | -344 |
| 8 | Sendai 89ers | 40 | 8 | 32 | .200 | 25 | 2906 | 3308 | -402 |
| Pos | West Division | GP | W | L | Pct | GB | PF | PA | PD |
| 1 | Ryukyu Golden Kings | 40 | 28 | 12 | .700 | – | 3352 | 3066 | +286 |
| 2 | Shimane Susanoo Magic | 40 | 26 | 14 | .650 | 2 | 3212 | 2976 | +236 |
| 3 | Osaka Evessa | 40 | 21 | 19 | .525 | 7 | 3290 | 3273 | +17 |
| 4 | Kyoto Hannaryz | 40 | 20 | 20 | .500 | 8 | 3220 | 3183 | +37 |
| 5 | Hiroshima Dragonflies | 40 | 18 | 22 | .450 | 10 | 3145 | 3290 | -145 |
| 6 | Nagasaki Velca | 40 | 18 | 22 | .450 | 10 | 3034 | 3129 | -95 |
| 7 | Saga Ballooners | 40 | 11 | 29 | .275 | 17 | 2958 | 3152 | -194 |
| 8 | Shiga Lakes | 39 | 4 | 35 | .103 | 23.5 | 2968 | 3500 | -532 |
Notes
* x – Clinched playoff spot
* wc – Clinched wildcard playoff spot
* r – Relegated

### Canceled games

* 5 January: Shiga Lakes vs. San-en NeoPhoenix was abandoned after Javier Carter suffered a medical emergency on the court

### Statistics
#### Individual statistic leaders

| Category | Player | Team | Statistic |
| Points per game | Brock Motum | Shiga Lakes | 21.3 |
| Rebounds per game | Thomas Welsh | Levanga Hokkaido | 14.0 |
| Assists per game | Takumi Saito | Nagoya Diamond Dolphins | 6.9 |
| Steals per game | Aaron Henry | Fighting Eagles Nagoya | 2.5 |
| Blocks per game | Sacha Killeya-Jones | Kawasaki Brave Thunders | 2.2 |
| 3FG% | Cristiano Felício | Sendai 89ers | 58.1% |
| 3FG% | Makoto Hiejima | Utsunomiya Brex | 45.2% |
| FT% | Ryuto Yasuoka | Fighting Eagles Nagoya | 95.2% |

#### Team statistic leaders

| Category | Team | Statistic |
| Points per game | San-en NeoPhoenix | 93.0 |
| Rebounds per game | Ryukyu Golden Kings | 43.6 |
| Assists per game | Nagoya Diamond Dolphins | 22.6 |
| Steals per game | Akita Northern Happinets | 8.6 |
| Blocks per game | San-en NeoPhoenix | 4.3 |
| 3FG% | San-en NeoPhoenix | 37.4% |
| FT% | Ryukyu Golden Kings | 77.9% |

## B1 League clubs in Asian competitions

| Team | Competition | Progress |
| Hiroshima Dragonflies | Basketball Champions League Asia | Semifinals, 3rd place |
| Hiroshima Dragonflies | East Asia Super League | Finals |
| Ryukyu Golden Kings | East Asia Super League | Semifinals |