1969!
Mike Brewer debuted on June 11, 1986, playing for the Kansas City Royals at Royals Stadium; he played his final game on July 2, 1986, playing for the Kansas City Royals at Royals Stadium.
Craig Chamberlain debuted on August 12, 1979, playing for the Kansas City Royals at Royals Stadium; he played his final game on September 28, 1980, playing for the Kansas City Royals at Royals Stadium.
Gary Christenson debuted on September 1, 1979, playing for the Kansas City Royals at Royals Stadium; he played his final game on July 3, 1980, playing for the Kansas City Royals at Royals Stadium.
Stu Cole debuted on September 5, 1991, playing for the Kansas City Royals at Royals Stadium; he played his final game on October 6, 1991, playing for the Kansas City Royals at Royals Stadium.
Dave Cripe debuted on September 10, 1978, playing for the Kansas City Royals at Royals Stadium; he played his final game on October 1, 1978, playing for the Kansas City Royals at Royals Stadium.
Bob Detherage debuted on April 11, 1980, playing for the Kansas City Royals at Royals Stadium; he played his final game on May 14, 1980, playing for the Kansas City Royals at Royals Stadium.
Craig Eaton debuted on September 5, 1979, playing for the Kansas City Royals at Royals Stadium; he played his final game on September 28, 1979, playing for the Kansas City Royals at Royals Stadium.
Luis Encarnacion debuted on July 27, 1990, playing for the Kansas City Royals at Royals Stadium; he played his final game on August 11, 1990, playing for the Kansas City Royals at Royals Stadium.
Tony Ferreira debuted on September 17, 1985, playing for the Kansas City Royals at Royals Stadium; he played his final game on October 6, 1985, playing for the Kansas City Royals at Royals Stadium.
Jim Gaudet debuted on September 10, 1978, playing for the Kansas City Royals at Royals Stadium; he played his final game on September 30, 1979, playing for the Kansas City Royals at Royals Stadium.
Steve Hammond debuted on June 28, 1982, playing for the Kansas City Royals at Royals Stadium; he played his final game on October 3, 1982, playing for the Kansas City Royals at Royals Stadium.
Kelly Heath debuted on April 20, 1982, playing for the Kansas City Royals at Royals Stadium; he played his final game on April 20, 1982, playing for the Kansas City Royals at Royals Stadium.