Rules formalized for WSOF's one-night lightweight tournament

The rules for the highest profile eight-man, one-night tournament in quite some time have been made official.
World Series of Fighting 25 on Nov. 20 in Phoenix will feature a lightweight tournament, broadcast live on NBCSN, with the winner earning a future title shot at champion Justin Gaethje.
On Thursday, the company announced several rules intended to help the flow of the tournament and safeguard the competitors' safety:
*A fourth judge will be on hand for all tourney fights, and his card wil