Watching a documentary last night on cricket in the 1970s. It had an interview with Ian Chappell, Australian cricket team captain from 1971-1975. He also played competitive baseball. In part of the interview he said (quoting from memory as best I can):
Baseball’s not like cricket. When you play baseball, there’s no crowd, nobody making any noise. Often it’s just the two teams, and that’s it. So you have to make the noise yourself. You’d sit in the dugout waiting for your turn to bat, yelling stuff at the players on the field because there was no crowd to do it for you.