League1 Ontario is the province's only pro-am, standards-based senior soccer league, serving as a critical bridge in the Talented Pathway between the high-performance youth program (OPDL) and the professional levels of the game, national teams and college scholarships.

In 2022, 6 North Toronto Nitros teams are competing in League1 Ontario:

Women's Premier                      Men's Premier

Women's Reserve 1                   Men's Reserve

Women's Reserve 2                    Men's U19

Click on the above links for team, roster and schedule information.