sentences:  Green then became a free agent and signed with the New York Cosmos as the team prepared for the 1983-84 NASL indoor season.Green received his American citizenship in November 1983, and played with the Cosmos through the indoor season, the subsequent 1984 outdoor season, and finally the club's 1984-85 indoor season in the Major Indoor Soccer League.In 1985, just as the NASL was collapsing, Green retired as a player.