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Best Starts in NBA history through 20-games.
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| Team | Year | Record | PD | Final Record | Final Result | |
1 | Golden State Warriors | 2015-16 | 20-0 | +308 | 73-9 | Lost Finals | |
2 | Oklahoma City Thunder | 2025-26 | 19-1 | +317 | 19-1 | Season Ongoing | |
| New York Knicks | 1969-70 | 19-1 | +303 | 60-22 | Won Finals | |
| Portland Trail Blazers | 1990-91 | 19-1 | +251 | 63-19 | Lost Conf Finals | |
| Houston Rockets | 1993-94 | 19-1 | +150 | 58-24 | Won Finals | |
6 | Seattle Supersonics | 1993-94 | 18-2 | +288 | 63-19 | Lost First Round | |
| Boston Celtics | 2007-08 | 18-2 | +277 | 66-16 | Won Finals | |
| Golden State Warriors | 2021-22 | 18-2 | +273 | 53-29 | Won Finals | |
| Boston Celtics | 1963-64 | 18-2 | +269 | 59-21 | Won Finals | |
| Philadelphia 76ers | 1966-67 | 18-2 | +262 | 68-13 | Won Finals | |
| Syracuse Nationals | 1949-50 | 18-2 | +246 | 51-13 | Lost Finals | |
| Dallas Mavericks | 2002-03 | 18-2 | +243 | 60-22 | Lost Conf Finals | |
| Boston Celtics | 1984-85 | 18-2 | +241 | 63-19 | Lost Finals | |
| Los Angeles Lakers | 1985-86 | 18-2 | +226 | 62-20 | Lost Conf Finals | |
| Golden State Warriors | 2014-15 | 18-2 | +223 | 67-15 | Won Finals | |
| Boston Celtics | 1957-58 | 18-2 | +218 | 49-23 | Lost Finals | |
| Indiana Pacers | 2013-14 | 18-2 | +204 | 56-26 | Lost Conf Finals | |
| Chicago Bulls | 1995-96 | 18-2 | +191 | 72-10 | Won Finals | |
| Boston Celtics | 2008-09 | 18-2 | +183 | 62-20 | Lost Conf Semi | |
| Houston Rockets | 1996-97 | 18-2 | +153 | 57-25 | Lost Conf Finals | |
| Washington Capitols | 1948-49 | 18-2 | +135 | 38-22 | Lost Finals | |
22 | Chicago Bulls | 1996-97 | 17-3 | +267 | 69-13 | Won Finals | |
| Cleveland Cavaliers | 2008-09 | 17-3 | +266 | 66-16 | Lost Conf Finals | |
| Golden State Warriors | 2016-17 | 17-3 | +253 | 67-15 | Won Finals | |
| Milwaukee Bucks | 1971-72 | 17-3 | +252 | 63-19 | Lost Conf Finals | |
| Philadelphia 76ers | 1982-83 | 17-3 | +247 | 65-17 | Won Finals | |
| New York Knicks | 1972-73 | 17-3 | +245 | 57-25 | Won Finals | |
| Los Angeles Lakers | 1971-72 | 17-3 | +240 | 69-13 | Won Finals | |
| Portland Trail Blazers | 1977-78 | 17-3 | +236 | 58-24 | Lost Conf Semi | |
| Chicago Bulls | 1991-92 | 17-3 | +233 | 67-15 | Won Finals | |
| Milwaukee Bucks | 1970-71 | 17-3 | +233 | 66-16 | Won Finals | |
| Boston Celtics | 1961-62 | 17-3 | +229 | 60-20 | Won Finals | |
| Phoenix Suns | 2004-05 | 17-3 | +228 | 62-20 | Lost Conf Finals | |
| Los Angeles Lakers | 2008-09 | 17-3 | +220 | 65-17 | Won Finals | |
| Milwaukee Bucks | 2019-20 | 17-3 | +216 | 56-17 | Lost Conf Semi | |
| Philadelphia 76ers | 1981-82 | 17-3 | +208 | 58-24 | Lost Finals | |
| Los Angeles Lakers | 2001-02 | 17-3 | +202 | 58-24 | Won Finals | |
| Washington Capitols | 1946-47 | 17-3 | +198 | 49-11 | Lost Semi | |
| Los Angeles Lakers | 1972-73 | 17-3 | +197 | 60-22 | Lost Finals | |
| Cleveland Cavaliers | 2024-25 | 17-3 | +196 | 64-18 | Lost Conf Semi | |
| Utah Jazz | 1996-97 | 17-3 | +189 | 64-18 | Lost Finals | |
| Philadelphia 76ers | 1980-81 | 17-3 | +189 | 62-20 | Lost Conf Finals | |
| Los Angeles Lakers | 2003-04 | 17-3 | +183 | 56-26 | Lost Finals | |
| Los Angeles Lakers | 2009-10 | 17-3 | +182 | 57-25 | Won Finals | |
| Boston Celtics | 1972-73 | 17-3 | +181 | 68-14 | Lost Conf Finals | |
| San Antonio Spurs | 2010-11 | 17-3 | +179 | 61-21 | Lost First Round | |
| San Antonio Spurs | 2007-08 | 17-3 | +179 | 56-26 | Lost Conf Finals | |
| Los Angeles Lakers | 2019-20 | 17-3 | +163 | 52-19 | Won Finals | |
| Detroit Pistons | 2005-06 | 17-3 | +159 | 64-18 | Lost Conf Finals | |
| Boston Celtics | 2017-18 | 17-3 | +154 | 55-27 | Lost Conf Finals | |
| Phoenix Suns | 1980-81 | 17-3 | +154 | 57-25 | Lost Conf Semi | |
| Phoenix Suns | 2021-22 | 17-3 | +152 | 64-18 | Lost Conf Semi | |
| Seattle Supersonics | 2004-05 | 17-3 | +139 | 52-30 | Lost Conf Semi | |
| Boston Celtics | 1985-86 | 17-3 | +135 | 67-15 | Won Finals | |
| Portland Trail Blazers | 2013-14 | 17-3 | +129 | 54-28 | Lost Conf Semi |
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