Mickey Charles Mantle (October 20, 1931 – August 13, 1995), nicknamed The Commerce Comet and The Mick, was an American professional baseball player.
 Mantle played his entire Major League Baseball (MLB) career with the New York Yankees as a center fielder and first baseman, from 1951 through 1968.
 Mantle was one of the best players and sluggers, and is regarded by many as the greatest switch hitter in baseball history.
 Mantle was inducted into the National Baseball Hall of Fame in 1974 and was elected to the Major League Baseball All-Century Team in 1999.
Park Jong-ho (Hangul: 박종호, Hanja: 朴鍾皓) (born 27 July 1973) is a South Korean second baseman who plays for the LG Twins in the Korea Baseball Organization.
 He is a switch hitter, and throws right-handed.
 Park is the first player to win a batting title as a switch hitter in KBO history.
Mark Charles Teixeira ( ; born April 11, 1980) is an American former professional baseball first baseman.
 He played 14 seasons in Major League Baseball (MLB) for the Texas Rangers, Atlanta Braves, Los Angeles Angels of Anaheim and New York Yankees.
 Before his professional career, he played college baseball at Georgia Tech, where in 2001 he won the Dick Howser Trophy as the national collegiate baseball player of the year.
 One of the most prolific switch hitters in MLB history, Teixeira was an integral part of the Yankees' 27th World Series championship in 2009, leading the American League (AL) in home runs and runs batted in (RBI) while finishing second in the Most Valuable Player Award (MVP) balloting.
 Teixeira was a three-time All-Star, won five Gold Glove Awards and three Silver Slugger Awards, and also holds the all-time major league record for most games with a home run from both sides of the plate, with 14.
 He was the fifth switch hitter in MLB history to reach 400 home runs.
Dr. Julia Michelle Serano is an American writer, spoken-word performer, trans-bi activist, and biologist.
 Serano currently lives in Oakland, California and is the author of "Whipping Girl: A Transsexual Woman on Sexism and the Scapegoating of Femininity".
 Her second book, "Excluded: Making Feminist and Queer Movements More Inclusive", was published on September 10, 2013 by Seal Press.
 Her third book, "Outspoken: A Decade of Transgender Activism and Trans Feminism", she published herself under Switch Hitter Press, which she founded along with Switch Hitter Records.
 "Outspoken" is a 2017 Lambda Literary Award finalist.
Carl Edward Everett III (born June 3, 1971) is a former Major League Baseball outfielder.
 A switch hitter, he played with the Chicago White Sox on their 2005 World Series winning team over the Houston Astros.
 He throws right-handed and plays all outfield positions, and occasionally designated hitter.
Nicholas Thomas Swisher (born November 25, 1980) is a former American professional baseball outfielder and first baseman in Major League Baseball (MLB).
 He was a switch hitter who threw left-handed, and played for the Oakland Athletics, Chicago White Sox, New York Yankees, Cleveland Indians and Atlanta Braves.
 He won the 2009 World Series with the Yankees against the Philadelphia Phillies and was an All-Star in 2010.
 A power hitter with excellent plate discipline, Swisher hit at least 20 home runs in each of nine consecutive seasons from 2005 to 2013 and reached 75 bases on balls on seven occasions in that span.
August John "Augie" Galan (May 23, 1912 – December 28, 1993) was an American professional baseball outfielder.
 He played sixteen seasons in Major League Baseball (MLB) from 1934 to 1949 for the Chicago Cubs, Brooklyn Dodgers, Cincinnati Reds, New York Giants, and Philadelphia Athletics.
 Galan threw right-handed and began his career as a switch hitter, but, starting in the latter part of , he became strictly a left-handed hitter until the end of his career.
Morgan Burkhart (born January 29, 1972 in St. Louis, Missouri) is a former first baseman/designated hitter in Major League Baseball who played for the Boston Red Sox (2000 –2001 ) and Kansas City Royals (2003 ).
 He was a switch hitter and threw left-handed.
 He is currently the manager of the Windy City ThunderBolts in the Frontier League.
Fernando Alfredo Seguignol Garcia (born January 19, 1975 in Bocas Del Toro, Panama) is a former Major League Baseball first baseman and outfielder.
 Seguignol also played 8 years in Nippon Professional Baseball.
 A switch hitter, Seguignol is regarded as the best switch-hitter ever to play in Japan, along with Orestes Destrade.
Merlyn Mantle (née Johnson; January 28, 1932 – August 10, 2009) was an American author and widow of New York Yankees outfielder Mickey Mantle.

Question: Who was regarded as the greatest switch hitter in baseball history and married to Merlyn Mantle?
Answer: Mickey Mantle