Verb
(idiomatic) To start anything tumultuous.
(idiomatic) To work together; to cooperate.
The politicians refused to play ball with the journalists.
(baseball, softball) An expression used at the beginning of a game of baseball or softball.
Source: en.wiktionary.orgThe only thing I can do is play baseball. I have to play ball. It's the only thing I know. Mickey Mantle
Russia will occupy most of the good food lands of central Europe while we have the industrial portions. We must find some way of persuading Russia to play ball. Henry L. Stimson
Maybe I was born to play ball. Maybe I truly was. Willie Mays
Playing sport was somewhat frivolous, but I liked it. I rebelled a little bit, and wouldn't go to music lessons and things like that, but I would go and play ball. My parents learned to love it because they saw how much I got out of it. Mike Krzyzewski
I wanted to definitely be a musician or a good preacher or a heck of a baseball player. I couldn't play ball too good - I hurt my finger, and I stopped that. I couldn't preach, and well, all I had left was getting into the music thing. Muddy Waters
I ain't afraid to tell the world that it don't take school stuff to help a fella play ball. Shoeless Joe Jackson