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NASL Final 1971 was the championship series of the 1971 season. It was contested as a best-of-three series between the Dallas Tornado and the Atlanta Chiefs. The matches were held on September 9, 15, and 19, 1971. Games one and three were played at Atlanta Stadium, in Atlanta, Georgia. Game two was played at Franklin Stadium of Hillcrest High School in Dallas. A combined 14,361 people attended the three game series. The Chiefs won game one, while the Tornado won games two and three to claim their first NASL championship.
Background
The Dallas Tornado qualified for the playoffs by virtue of having the highest non-division-winning point total in the league (119 points). They defeated the defending league champion Rochester Lancers 2–1 in a marathon best-of-three semifinal series. The series featured two of the longest matches in the sport's history due to the NASL's adoption of a sudden death rule to replace the penalty shootout. The first leg ended shortly before midnight on September 1 with a victory for Rochester after 176 minutes and required six overtime periods; the third leg lasted 148 minutes with four overtime periods and sent the Tornado to the final with a 2–1 win.
The Atlanta Chiefs qualified for the playoffs by winning the Southern Division with 120 points. The Chiefs then defeated the New York Cosmos in the semifinals with two wins and no goals conceded.