1969!
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.
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.
Jeff Schattinger debuted on September 21, 1981, playing for the Kansas City Royals at Royals Stadium; he played his final game on September 21, 1981, playing for the Kansas City Royals at Royals Stadium.
Jim Scranton debuted on September 5, 1984, 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.
Steve Shifflett debuted on July 3, 1992, playing for the Kansas City Royals at Royals Stadium; he played his final game on October 4, 1992, playing for the Kansas City Royals at Royals Stadium.
Luis Silverio debuted on September 9, 1978, playing for the Kansas City Royals at Royals Stadium; he played his final game on September 30, 1978, playing for the Kansas City Royals at Royals Stadium.
Dwight Taylor debuted on April 14, 1986, playing for the Kansas City Royals at Royals Stadium; he played his final game on April 23, 1986, playing for the Kansas City Royals at Royals Stadium.
Jeff Twitty debuted on July 5, 1980, playing for the Kansas City Royals at Royals Stadium; he played his final game on September 23, 1980, playing for the Kansas City Royals at Royals Stadium.
Hector Wagner debuted on September 10, 1990, playing for the Kansas City Royals at Royals Stadium; he played his final game on June 24, 1991, playing for the Kansas City Royals at Royals Stadium.
John Wathan debuted on May 26, 1976, 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.
Frank White debuted on June 12, 1973, playing for the Kansas City Royals at Royals Stadium; he played his final game on September 30, 1990, playing for the Kansas City Royals at Royals Stadium.
Matt Winters debuted on May 30, 1989, playing for the Kansas City Royals at Royals Stadium; he played his final game on October 1, 1989, playing for the Kansas City Royals at Royals Stadium.