Gallatin Roller Girlz’ second bout of the 2015 home season! The Return of the Jammer roller derby bout will set GRG’s Mountain Mayhem against the Cheyenne Capidolls (Wyoming) on Saturday, June 13 at the Gallatin County Fairgrounds Haynes Pavilion. Garb of Star Wars Heroes and Villains is encouraged. Games and Prizes. Doors at 7:00, Bout at 7:30. Bar by Bar IX, Food by Bubbies, Halftime by Fire in the Attic. More at http://www.grgderby.com