When an agent mute/unmute the converstion, add an activity message "#{agent_name} has muted the conversation"

Motivation

With so many games each day, it'll be good to know which games are potentially the "most competitive". This could help choose which game to watch.

How

One way to measure competitive game could be differential in WIN%. The lower the differential of WIN% between two teams, the more the chances of those teams being evenly matched.