Manager cards Q&A: Why Premier League bosses won't get booked on pitch
![Manager cards Q&A: Why Premier League bosses won't get booked on pitch](http://i.dailymail.co.uk/i/newpix/2018/07/31/18/4EB0CB7C00000578-0-image-a-14_1533059123123.jpg)
The system will be rolled our across all English professional football competitions, from the Premier League to the Checkatrade Trophy - however there will be a couple of differences.