The Cubs aren’t going to add any big contract until they know what the ruling is with Bryant’s grievance, since they are looking to trade him. And this isn’t going to happen until after 2020. Theo has been screwed all offseason, hence him making zero moves other than for minor league junk filler players.
https://www.nbcsports.com/chicago/cubs/decision-kris-bryants-service-time-grievance-wont-come-until-2020-report-says