All-Time Nba Team Win Loss Records. Ever wonder what all time nba team win records, or winning percentages are? I look at the teams back in the 60’s and found that the boston celtics, and the los angeles lakers who were relevant back then are still holding up their traditional winning ways even now.
The 1973 philadelphia 76ers have the record for most losses in an nba season with 73 losses. Defunct baa/nba franchises are also listed, provided they played at least one. The boston celtics have recorded the most wins, with 3,462;