There's a good chance you've heard the loud noises many tennis players make while striking a ball. These loud exertions tangibly increase an athlete's strength, so why don't players in other sports make them?
Readings:
"Something to Shout About" by Amy S. Welch and Mark Tschampl
"The effects of 'grunting' on serve and forehand velocity in collegiate tennis players" by Dennis O'Connell, Martha Hinman, Kevin Hearne, Zach Michael and Sam Nixon