Has an NBA game ever ended89–77?
Yes, 33 times.

Every 89–77 game (33 times)
- December 15, 2015Cleveland Cavaliers 89, Boston Celtics 77
- March 24, 2014Chicago Bulls 89, Indiana Pacers 77
- April 1, 2011Orlando Magic 89, Charlotte Bobcats 77
- December 4, 2010Miami Heat 89, Atlanta Hawks 77
- February 9, 2010Oklahoma City Thunder 89, Portland Trail Blazers 77
- November 13, 2009Dallas Mavericks 89, Minnesota Timberwolves 77
- February 11, 2009Boston Celtics 89, New Orleans Hornets 77
- December 2, 2008Detroit Pistons 89, San Antonio Spurs 77
- November 1, 2008Houston Rockets 89, Oklahoma City Thunder 77
- April 14, 2006Indiana Pacers 89, Minnesota Timberwolves 77
- February 27, 2004New Orleans Hornets 89, Indiana Pacers 77
- April 23, 2003Detroit Pistons 89, Orlando Magic 77
- April 21, 2003Indiana Pacers 89, Boston Celtics 77
- January 18, 2002Toronto Raptors 89, New Jersey Nets 77
- January 6, 2002Seattle SuperSonics 89, Memphis Grizzlies 77
- December 30, 2000San Antonio Spurs 89, Indiana Pacers 77
- December 26, 2000Milwaukee Bucks 89, Orlando Magic 77
- November 21, 2000Golden State Warriors 89, Chicago Bulls 77
- June 16, 1999San Antonio Spurs 89, New York Knicks 77
- January 3, 1998Indiana Pacers 89, Toronto Raptors 77
- November 23, 1994Atlanta Hawks 89, Minnesota Timberwolves 77
- February 24, 1993Seattle SuperSonics 89, Minnesota Timberwolves 77
- December 25, 1992Chicago Bulls 89, New York Knicks 77
- March 16, 1992Atlanta Hawks 89, Detroit Pistons 77
- November 18, 1982Milwaukee Bucks 89, New York Knicks 77
- April 20, 1979Washington Bullets 89, Atlanta Hawks 77
- February 2, 1973Baltimore Bullets 89, New York Knicks 77
- March 12, 1953Minneapolis Lakers 89, Rochester Royals 77
- February 26, 1953Syracuse Nationals 89, Ft. Wayne Zollner Pistons 77
- January 31, 1951New York Knicks 89, Baltimore Bullets 77
- March 21, 1950Anderson Packers 89, Tri-Cities Blackhawks 77
- March 12, 1949Baltimore Bullets 89, Boston Celtics 77
- January 26, 1949New York Knicks 89, Providence Steamrollers 77