NASL In 1980, the
Edmonton Drillers of the
North American Soccer League signed Sweeney. He spent three seasons with the Drillers before moving to the
Vancouver Whitecaps for the 1983 season. While he began the 1984 season with the Whitecaps, he was traded to the
Golden Bay Earthquakes. The NASL folded at the end of the 1984 season.
MISL Sweeney was also a long-time
Cleveland Force MISL player. He then moved to the
Minnesota Strikers for the 1987–1988 season.He then moved to the
Baltimore Blast. In 1989, the
Cleveland Crunch selected Sweeney in the Expansion Draft. On June 30, 1989, he signed with the Crunch and remained with the team through at least the 1991–1992 season.[https://web.archive.org/web/20070929141508/http://ourworld.compuserve.com/homepages/allender/misl9192.htm
Toronto Blizzard In 1988, Sweeney spent time with the
Toronto Blizzard of the
Canadian Soccer League (CSL).
Boston Bolts In 1988, he signed with the
Boston Bolts of the
American Soccer League (ASL). In 1990, the ASL merged with the
Western Soccer League to form the
American Professional Soccer League (APSL). The Bolts spent one season, 1990, in the APSL before folding. The Canadian Soccer Hall of Fame inducted Sweeney in 2002. ==International career==