Maurice Morning Wills (born October 2, 1932) is an American former professional baseball player and manager.
 He played in Major League Baseball (MLB) primarily for the Los Angeles Dodgers from 1959 through 1966 and the latter part of 1969 through 1972 as a shortstop and switch-hitter; he played for the Pittsburgh Pirates in 1967 and 1968, and the Montreal Expos the first part of 1969.
 Wills was an essential component of the Dodgers' championship teams in the mid-1960s, and is credited for reviving the stolen base as part of baseball strategy.
David Beale Morey (February 25, 1889 – January 4, 1986) was an American football and baseball player, coach of a number of sports, and college athletics administrator.
 He was an All-American football player for Dartmouth College in 1912 and a professional baseball pitcher for the Philadelphia Athletics in 1913.
 Morey coached football and baseball at the Lowell Technological Institute (1916–1917, 1948–1959), Middlebury College (1921–1924), Auburn University (1925–1927), Fordham University (1928), and Bates College (1929–1939).
 After leading small colleges to ties against college football powers Harvard and Yale, Morey was given the nickname, "David the Giant Killer" by Grantland Rice.
Lawrence Eugene Doby (December 13, 1923 – June 18, 2003) was an American professional baseball player in the Negro leagues and Major League Baseball (MLB) who was the second black player to break baseball's color barrier.
 A native of Camden, South Carolina and three-sport all-state athlete while in high school in Paterson, New Jersey, Doby accepted a basketball scholarship from Long Island University.
 At 17 years of age, he began his professional baseball career with the Newark Eagles as the team's second baseman.
 Doby joined the United States Navy during World War II.
 His military service complete, Doby returned to baseball in 1946, and along with teammate Monte Irvin, helped the Eagles win the Negro League World Series.
Edward Wesley Schulmerich (August 21, 1901 – June 26, 1985) was an American Major League Baseball player from the state of Oregon.
 A native of the state, he played baseball and football at what is now Oregon State University where he participated in three sports.
 On the football team, he played three positions and earned the nickname of Ironhorse and all-conference honors.
 In baseball, he was a right-handed outfielder and after leaving school started his professional career in the minor leagues.
 Schulmerich then became the first player from the school to make it to the Major Leagues, playing for three teams in the early 1930s.
 He is a member of the Oregon State University Sports Hall of Fame and the Oregon Sports Hall of Fame.
Mark David McGwire (born October 1, 1963), nicknamed Big Mac, is an American former professional baseball player and currently a bench coach in Major League Baseball (MLB).
 As a first baseman, his MLB career spanned from 1986 to 2001 while playing for the Oakland Athletics and the St. Louis Cardinals.
 He quickly grabbed media attention in 1987 as a rookie with the Athletics by hitting 33 home runs before the All-Star break, and would lead the major leagues in home runs that year with 49, setting the single-season rookie record.
 He appeared in six straight All-Star Games from 1987 to 1992 despite a brief career decline related to injuries.
 Another string of six consecutive All-Star appearances followed from 1995 to 2001.
 Each season from 1996 to 1999, he again led the major leagues in home runs.
Makoto Kozuru (Japanese:小鶴誠, December 17, 1922 — June 2, 2003) was a Japanese professional baseball player who played in both the Japanese Baseball League and Nippon Professional Baseball.
 He was the MVP of the Central League in 1950, and was inducted into the Japanese Baseball Hall of Fame in 1980.
 His nickname was "The Japanese DiMaggio."
Lawrence Ari Fleischer (born October 13, 1960) served as White House press secretary for President George W. Bush, from January 2001 to July 2003.
 Today, he works as a media consultant for the NFL, College Football Playoff, and other various sports organizations and players through his company, Ari Fleischer Sports Communications.
 He was also an international media consultant to former Canadian prime minister, Stephen Harper.
 He helped Mark McGwire in his media strategy for his admission of steroid usage.
 He is also a regular CNN contributor.
 He was also briefly hired by Tiger Woods to help him with a strategy to make his entrance back on the PGA Tour, but was not retained after news stories surfaced promoting his representation of Woods.
 He was hired by the Green Bay Packers as a consultant in August 2008.
Clifford Earl Torgeson (January 1, 1924 – November 8, 1990) was an American Major League Baseball player from Snohomish, Washington.
 A first baseman, he played on five teams for 15 years, from 1947 through 1961.
 He was known by his middle name, Earl, and his nickname was "The Earl of Snohomish", a nickname originally owned by baseball hall of famer, Earl Averill, also from Torgeson's hometown.
 In 1950, Torgeson led the National League (NL) with 120 runs scored and in 1957, he led the American League (AL) with a .999 fielding average as first baseman.
Otha Bailey (born June 30, 1931 - September 17, 2013) was an American baseball player in the Negro Leagues baseball player.
 He was a catcher for many teams.
 He played for the Birmingham Black Barons, Chattanooga Choo-Choos, Cleveland Buckeyes, Houston Eagles, and the New Orleans Eagles from 1949 to 1959.
 Throughout his career, his nickname was "Little Catch".
John Warren Kaiser (born October 6, 1926) is Athletics Director Emeritus at St. John's University in Queens, NY.
 He was an American baseball player, college coach, and administrator.
 As a player, he helped St. John's to the 1949 College World Series.
 After a brief minor league career, he became head coach at St. John's and led the now-named St. John's Red Storm baseball team to eleven postseason appearances, including three trips to the College World Series in his 18-year career as head coach.
 He then became athletic director at St. John's, and was instrumental in the establishment of the Big East Conference.
 He was inducted into the ABCA Hall of Fame in 1979, and the Big East Conference Baseball Tournament Most Outstanding Player Award is named in his honor.
 Jack Kaiser Stadium, home baseball field of the Red Storm, is also named in his honor.

Question: what is the nickname of the Baseball player who was helped by Ari Fleischer in his media strategy for his admission of steroid usage ?
Answer: Big Mac