Roller Derby Referee Training - Blocks to the Back - 2017 Rules - Ref-Ed.com

Ref-Ed.com - the online site for roller derby referee training. --- UPDATED FOR THE 2017 WFTDA/MRDA RULES RELEASE --- On one hand, back block calls are pretty easy: there's a block to the back, the recipient falls or goes out of bounds, and a call is made. This covers those basics, along with relative position, initiation, close calls, and expulsions.