Urayasu D-Rocks (Japanese: 浦安ディーロックス), commonly known as the D-Rocks, or the Shining Arcs, is a professional Japanese rugby union team owned by NTT Communications and compete in the Japan Rugby League One (JRLO) competition. The team is based in Urayasu City, Chiba Prefecture in the Kantō region. The team has undergone several re-brands throughout its history, most recently in 2022, rebranding from Shining Arcs Tokyo-Bay Urayasu in line with the newly formed Japan Rugby League One competition in 2021/22, to the Urayasu D-Rocks in 2022 onwards.
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History and name
NTT Communications RFC was founded in 1976. They won promotion to the expanded Top League of 14 teams at the end of the 2009–10 season. They made their Top League debut for the 2010–11 season. After their first season, they finished 12th place with 4 wins and 9 losses. They had to play a play-off to keep themselves in the Top League, in which they beat Canon Eagles 31–19. In the 2011–12 season, they finished in ninth place.
In July 2022, following the establishment of a new rugby business and sports company by parent company NTT, the Shining Arcs formally rebranded to the Urayasu D-Rocks. The new company, NTT Sports X, was established at the end of the 2022 season and is alleged to have begun with JP¥2.5 billion (US$17.8 million) in capital.
Current squad
The Urayasu D-Rocks is for the 2026-27 season:
* denotes players qualified to play for Japan on dual nationality or residency grounds.
Notable former players
Mark Gerrard - Melbourne Rebels and former Wallaby
Brad Mika - Former Auckland Blues player and played for New Zealand
Adam Wallace-Harrison - Former Queensland Reds player
Sosene Anesi - Player for Chiefs and NSW Waratahs and New Zealand
Craig Wing - former professional rugby league footballer for Australia
JP Nel - Former Blue Bulls player
Fotunuupule Auelua - Plays for Brumbies
Alesana Tuilagi - Plays for Newcastle Falcons
Isaac Ross - Lock (2011–20, 89 games), Allblack (2009, 8 caps)
Amanaki Mafi - Loose forward (2014–21, 53 games), Japanese international (2014–, 29 caps)
Greig Laidlaw - former Scotland captain and scrum-half
Home ground
The Shining Arcs' home stadium is the NTT Grand Chiba Stadium in Ichikawa.