Jason Martis, better known to Bismarck-Mandan roller derby fans as Sacr'e Bleu, lost his battle with stomach cancer Tuesday night (6/21). He was 39.

Martis' roller derby career with the BisMan Bomberz began in the early 2010's and he quickly became a fan favorite. He was also a mentor to many of those who joined the Bomberz and Bombshellz over the years.

The BisMan Bomberz posted the following tribute to Martis on their Facebook page:

A page has been set up to help raise funds for Martis' service and lingering expenses. You can purchase a 'Team Sacr'e Blue' t-shirt or make a donation HERE.

Rest in peace, Sacr'e Blue. You will be missed.