1990-91 एन बी ए सीज़न was the 45th season of the नेशनल बास्केटबॉल असोसिएशन . The season ended with the शिकागो बुल्स winnin g their first NBA Championship , eliminating the लॉस एंजेल्स लेकर्स 4 games to 1 in the एन बी ए फाइनल .
Entity: नेशनल बास्केटबॉल असोसिएशन — Type: /organization/company, /organization/sports_league, /organization, /organization/news_agency