1.
Roller Derby traces back to "skating marathons" in the 1930's.
2.
There are three positions in roller derby: jammer, blocker, and pivot.
3.
Points are awarded by the jammer passing opposing team members.
4.
There are two different helmet covers: stars for the jammer and stripes for the pivot.
5.
Team members usually have neat "skater names".
6.
Names of bouts and tournaments also tend to be really awesome.
7.
Roller derby hit its peak in the 1970's.
8.
‘Rink rash’ is when a skater falls and skins their legs.
9.
These ladies are fearless.
10.
Roller Derby as we know it was revived in the early 2000's.
11.
Sugar Ray Robinson's son was a derby champ.
12.
There are over 1,200 amateur leagues worldwide.
13.
The sport is under consideration for the 2020 Olympics.
Find out what happens when legendary athletes step into everyday games to help people take down their league rivals with "The Sub":
