Mitsubishi Sagamihara Dynaboars (Japanese: 三菱重工相模原ダイナボアーズ), commonly shortened to Sagamihara Dynaboars and also known as Mitsubishi Juko Sagamihara Rugby Club, are a professional Japanese rugby union team based in Sagamihara, Kanagawa Prefecture that compete in the Japan Rugby League One (JRLO) competition. The club is owned by the Mitsubishi Heavy Industries.
The club was founded in 1981. It came second in the Top East 10 league in 2004–05 and entered the Top League challenge series play-off.
The club won the Top East 11 league in 2006–07 and entered the Top League in 2007–08. The team was named Dynaboars (a conflation of "dynamic" and "boars") as part of their promotion to the Top League; however, they were demoted at the end of the season. The Dynaboars signed ex-Wales international and IRB World Player of the Year 2008 Shane Williams in 2012, retiring in 2014.
Contents
Players
Current squad
The Mitsubishi Sagamihara DynaBoars squad for the 2026–27 season is:
Former players
Simon Kasprowicz - lock
Blair Urlich - No. 8
Kohei Matsui - center three-quarter back
Troy Flavell - lock
Isma-eel Dollie - Flyhalf
Shane Williams – Wing
Dave Walder - Flyhalf
David Milo - No. 8
Hamish Gard inside centre



