This is the 5303rd most frequent Spanish word.
jugarán
"They will play."
Here, 'jugarán' is used in its future tense form to indicate the action of playing soccer will occur tomorrow.
Ellos jugarán al fútbol mañana.
They will play soccer tomorrow.
In this case, 'jugarán' again signifies a future act of playing, this time referring to video games during the afternoon.
Mis amigos jugarán videojuegos en la tarde.
My friends will play video games in the afternoon.
Here, 'jugarán' is used in a negative construction, showing the action of playing will not occur due to the weather.