History
| Season | Winner | Runner Up | Season Review |
|---|---|---|---|
| 2026 | N/A | N/A | N/A |
| 2025 | Inter Miami | Whitecaps | N/A |
| 2024 | LA Galaxy | New York RB | N/A |
| 2023 | Columbus | Los Angeles FC | N/A |
| 2022 | Los Angeles FC | Philadelphia | N/A |
| 2021 | New York City | Timbers | N/A |
| 2020 | Columbus | Sounders | N/A |
| 2019 | Sounders | Toronto FC | N/A |
| 2018 | Atlanta | Timbers | N/A |
| 2017 | Toronto FC | Sounders | N/A |
| 2016 | Sounders | Toronto FC | N/A |
| 2015 | Timbers | Columbus | N/A |
| 2014 | LA Galaxy | New England | N/A |
| 2013 | Sporting KC | Real Salt Lake | N/A |