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The Dallas Tornado qualified for the playoffs by virtue of winning the Southern Division with 111 points. They also had the highest point-total in the NASL, and therefore were guaranteed home field throughout the playoffs. They defeated the defending champion New York Cosmos, 1–0, in the first semifinal game played on August 15, 1973 to advance to the finals.
The Philadelphia Atoms qualified for the playoffs by virtue of winning the Eastern Division with 104 points. They also had the second highest point-total in the NASL. This guaranteed them at least one home playoff game. They soundly defeated the Northern Division champion Toronto Metros, 3–0, in the second semifinal game played on August 18, 1973 to advance to the finals.
Texas Stadium hosted the Final
65' (o.g.) 
Dallas Tornado
82'
45'
