League History
| Season | Cycle | Players | Season Closed |
| Team Up: Season 3 | 2019 | 26 | April 30, 2019 |
| Team Up: Season 2 | 2019 | 26 | March 31, 2019 |
| Team Up: Season 1 | 2019 | 25 | February 28, 2019 |
| Lost Thunder: Season 2 | 2019 | 22 | December 31, 2018 |
| Lost Thunder: Season 1 | 2019 | 33 | November 30, 2018 |
| Celestial Storm: Season 3 | 2019 | 34 | October 31, 2018 |
| Celestial Storm: Season 2 | 2019 | 38 | September 30, 2018 |
| Forbidden Light: Season 2 | 2018 | 23 | June 30, 2018 |
| Ultra Prism: Season 3 | 2018 | 34 | April 30, 2018 |
| Ultra Prism: Season 2 | 2018 | 24 | March 31, 2018 |
| Crimson Invasion: Season 2 | 2018 | 25 | December 31, 2017 |
| Crimson Invasion: Season 1 | 2018 | 28 | November 30, 2017 |
| Burning Shadows: Season 2 | 2018 | 35 | September 30, 2017 |
| Guardians Rising Season 1 | 2017 | 26 | May 31, 2017 |
| Sun & Moon: Season 3 | 2017 | 51 | April 30, 2017 |
| Sun & Moon: Season 2 | 2017 | 37 | March 31, 2017 |
| Sun & Moon: Season 1 | 2017 | 40 | February 28, 2017 |
| Evolutions: Season 2 | 2017 | 35 | December 31, 2016 |
| Evolutions: Season 1 | 2017 | 48 | November 30, 2016 |
| Gear Season | 2016 | 16 | September 30, 2016 |
| Alakazam! Season | 2016 | 42 | June 30, 2016 |
| Worlds Collide Season | 2016 | 34 | April 30, 2016 |
| Parallel Season | 2016 | 26 | February 29, 2016 |
| Tech Season | 2016 | 34 | December 31, 2015 |
| Sootopolis Gym | 2015 | 16 | October 19, 2015 |