disagree vs play ball

disagree

verb
  • To fail to conform or correspond with. 

  • To fail to agree; to have a different opinion or belief. 

play ball

verb
  • An expression used at the beginning of a game of baseball or softball. 

  • To start anything tumultuous. 

  • To work together; to cooperate. 

How often have the words disagree and play ball occurred in a corpus of books? (source: Google Ngram Viewer )