In a previously unaired interview, Winston Peters promised the policy would be a "non-negotiable" in return for his support in Government.
While the monarch-maker is staying quiet on what he'll press for in coalition talks, a previously unaired interview with Mr Peters at the Karaka sales in January this year suggests free-to-air sport is likely to be a non-negotiable demand.
Do you support major sporting events being broadcast on free-to-air television?