The Cubs put Bellinger on the 10-day injured list and recalled Pete Crow-Armstrong from Triple-A Iowa.
Dover hosts one NASCAR race weekend this season.
West Ham host Liverpool on Saturday as Jurgen Klopp's side try to put their demoralizing defeat in the Merseyside derby behind them and stay in the title race. At least for another week.
Wolves host Luton at Molineux on Saturday as two teams badly out of form are desperate to get back to winning ways.