eSports: What is shoutcasting?

eSports are big news right now.

Competitive gaming is becoming more and more popular, with some schools even having eSports teams.

Find out more about eSports and what they are with Newsround's handy guide.

But what is shoutcasting? And what does it take to be good at it?

Whitney went to speak to two shoutcasters - Mark Hatcher and Harry Channon - to find out.