The Summer League in Las Vegas began being called NBA Summer League from 2007 but until 2013, no champions were declared.
The organized offseason tournament was seen purely as a means for the franchises to focus on offseason player development and player selection for the NBA team's roster before training camp.
MORE: NBA Summer League's highest-scoring games | Full list of Summer League MVPs
Since 2013, seven different teams have won the Las Vegas Summer League and the Sacramento Kings, with their title in 2021, became the first franchise to win two Summer League titles.
Following is the list of champions, runners-up and championship game MVPs in the NBA Summer League since 2013:
| Year | Champion | Runner-up | Championship Game MVP |
| 2013 | Golden State Warriors | Phoenix Suns | Ian Clark |
| 2014 | Sacramento Kings | Houston Rockets | Ray McCallum, Jr. |
| 2015 | San Antonio Spurs | Phoenix Suns | Jonathan Simmons |
| 2016 | Chicago Bulls | Minnesota Timberwolves | Jerian Grant |
| 2017 | Los Angeles Lakers | Portland Trail Blazers | Kyle Kuzma |
| 2018 | Portland Trail Blazers | Los Angeles Lakers | K.J. McDaniels |
| 2019 | Memphis Grizzlies | Minnesota Timberwolves | Brandon Clarke |
| 2021 | Sacramento Kings | Boston Celtics | Louis King |
Prior to the Kings, the Los Angeles Lakers, in 2018, came close to becoming the only team to repeat and thus win two Summer League Championships but they lost to the Portland Trail Blazers - a team they beat in the championship game in 2017.
Phoenix Suns is the only team to have been on the losing side of a championship game twice - 2013 and 2015.
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