League
These patches promote a league or team.
Seattle Derby Brats
ExpiredSeattle Derby Brats
ExpiredSeinäjoki Roller Derby
ExpiredThis is Team Argentina (men's) that played in the 2018 Men's Roller Derby Workd Cup.
The Inhuman League is an MRDA Team. To my knowledge Sheffield Roller Derby and Sheffield Steel Roller Derby are not the same entity, but I could be mistaken on this.
Sheffield Steel Junior Rollers
ExpiredSheffield Steel Junior Rollers
ExpiredSheffield Steel Roller Derby
ExpiredSheffield Steel Roller Derby
ExpiredSheffield Steel Roller Derby
ExpiredSheffield Steel Rollergirls is now known as Sheffield Steel Roller Derby.
Sheffield Steel Rollergirls is now known as Sheffield Steel Roller Derby.
Shitty City Rollers
ExpiredThe Shitty City Rollers are now known as Oulu Roller Derby.
Shore Points Roller Derby
ExpiredShoreline Roller Derby
ExpiredSick Town Derby Dames
ExpiredSick Town Derby Dames
ExpiredSilicon Valley Roller Girls
ExpiredSioux City Kornstalkers
ExpiredThe Sioux City Kornstalkers appear to have disbanded, or at least have entered an inactive state. MRDA still lists them as a member league, but their Facebook page has not been updated in more than a year.
Sisters of Mayhem Roller Derby
ExpiredThe Sisters of Mayhem appears to be disbanded. Their Facebook page has not been updated since March of 2017, and appear not to have played a game for even longer than that.
Slaughter County Roller Vixens
ExpiredSmoky Mountain Rollergirls
ExpiredSO Derby
ExpiredSO is short for Southern Oregon.