Turner moved to the United States in 1967 to play for the Toronto Falcons of the National Professional Soccer League. He was traded to the Philadelphia Spartans eighteen games into the season. Following the 1967 season, the NPSL merged with the United Soccer Association to form the NorthAmerican Soccer League. Turner then signed with the Cleveland Stokers of the NASL. He played in all games but 3. The Stokers were eventually beaten in the Conference Championship by Atlanta in sudden death overtime. In 1969, he moved to the Dallas Tornado where he would remain until 1978. In 1971, Turner and his team mates won the NASL championship. In 1973, they again went to the title game, but lost to the Philadelphia Atoms. Turner was a second team All Star in 1970, and an honorable mention in 1971 and 1973.He was known as the Iron man of the NASL playing most consecutive games at 131. Roy Turner is a fan of Everton FC.
National team
Turner earned two caps with the U.S. national team in 1973.
Coaching
In 1979, Turner was hired as the head coach of the expansion Wichita Wings of the Major Indoor Soccer League. He became one of the most successful MISL coaches, remaining as head coach through the end of the 1985-1986 season. In his seven seasons as head coach, he took the team to the MISL semifinals five times. He also served as general manager for the Wings during those years. Following his stepping down as coach in 1986, he became president of the Wings organization. When the Wings entered a down ward slide during the 1990-1991 season, Turner stepped back in as head coach thirty-four games into the season. On February 24, 1996, Turner resigned as president and general manager of the Wings.Sedgwick County, in which the Wings played, declared March 24, 1996 as Roy Turner Day.
In 1999, Turner became Tournament Director of the Wichita Open Golf Tournament, a position he still continues today. In june of 2009,Turner was inducted into the Wichita Sports Hall of Fame In July of 2019, Turner was inducted into the Indoor Soccer Hall of Fame In November of 2019, Turner was inducted The State of Kansas Sports Hall of Fame - the first Soccer person to do so. In February of 2020, Turner was inducted into the Wichita Wings Hall of fame. In December of 2019, the Wichita Open was awarded Tournament of the Year on the Korn Ferry Tour. In April of 2020,the Wichita Open was named Sports Organization of the year by the Wichita Sports Hall of fame.