ball game

US /ˈbɔːl ˌɡeɪm/
UK /ˈbɔːl ˌɡeɪm/
"ball game" picture
1.

a game played with a ball, especially baseball or basketball

:
Let's go to a ball game tonight.
The kids are playing a ball game in the park.
2.

a situation or matter, especially one that is difficult or challenging

:
It's a whole new ball game now that we have a new manager.
After the merger, it became a different ball game for the employees.