| Franchise | League | Founded | Titles |
|---|---|---|---|
| Brooklyn Nets | National Basketball Association | 1967 | — |
| New York Islanders | National Hockey League | 1972 | 4 |
| Franchise | League | Founded | Titles |
|---|---|---|---|
| Brooklyn Nets | National Basketball Association | 1967 | — |
| New York Islanders | National Hockey League | 1972 | 4 |