accede vs play ball

accede

verb
  • To become a party to an agreement or a treaty. 

  • To agree or assent to a proposal or a view; to give way. 

  • To come to an office, state or dignity; to attain, assume (a position). 

play ball

verb
  • To work together; to cooperate. 

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

  • To start anything tumultuous. 

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