To play rugby is 'jouer au rugby' in French.
le rugby
"touch rugby"
"Mon sport préféré est le rugby."
your dad
Lundi, je suis allé à mon entraînement de rugby.
It's the same in French.
That one of the teams have the ball, when they say 'They have possession of the ball' its means they have the ball.
Volley, volley-ball
Volley-ball
votre une boule
Un bal