Straight red prompts calls for report system after Semisi Masirewa challenge

Sunwolves winger Semisi Masirewa will miss the rest of the Super Rugby season after he was sent off for a dangerous tackle on Bernard Foley. The game was evenly poised at the time, but then floodgates opened, and the Waratahs won 77-25. Masirewa was red carded just before half time, in what has been called a pivotal moment in the match.  His dangerous tackle on Foley, in which the Waratahs playmaker landed head first, led to a straight sending off and a subsequent disciplinary hearing.  Sunwolves coach Tony Brown felt there wasn't much in it.  "I don't think there's any intent in there. I…