There was an FA webinar on sin bins this evening. They disclosed some information about the sin bin trial last season.
31 leagues took part in the trial. In those leagues there was a 38% reduction in yellow cards for dissent. 84% of referees want to continue in those leagues want to continue using sin bins.
60+ more leagues asked to have sin bins for 2018/19
31 leagues took part in the trial. In those leagues there was a 38% reduction in yellow cards for dissent. 84% of referees want to continue in those leagues want to continue using sin bins.
60+ more leagues asked to have sin bins for 2018/19