Mark McGwire Bio, Age, Height, Education, Career & Net Worth

Biography of Mark McGwire

Mark McGwire is an American former professional baseball first baseman. His Major League Baseball (MLB) playing career spanned from 1986 to 2001 while playing for the Oakland Athletics and the St. Louis Cardinals, winning one World Series championship each with Oakland as a player in 1989 and with St. Louis as a coach in 2011. One of the most prolific home run hitters in baseball history, McGwire holds the major league career record for at bats per home run ratio (10.6), and is the former record holder for both home runs in a single season (70 in 1998) and home runs hit by rookie (49 in 1987).

Full NameMark David McGwire
ProfessionAmerican former professional baseball first baseman
Known As
Big Mac
Age 56 years
Date of BirthOctober 1, 1963
Zodiac SignLibra
Birth PlacePomona, California, United States

Early years

McGwire was born in Pomona, California. His father was a dentist. He attended Damien High School in La Verne, California, where he played baseball, golf, and basketball. He was drafted by the Montreal Expos in the 1981 amateur draft but did not sign. He played college baseball at the University of Southern California (where he was a teammate of Randy Johnson and Jack Del Rio) under coach Rod Dedeaux.

McGwire was selected by the Athletics with the 10th overall selection in the 1984 MLB draft. He was a member of the silver medal-winning entry of the United States national team that same year at the Summer Olympics in Los Angeles, with Japan finishing ahead for gold medal.

Body Measurement

Below we have updated McGwire’s Height, Weight, Body Measurements, Eye Color, Hair Color, Shoe & Dress size as soon as possible.

Physical Status
Height1.96 m
Weight113 kg
Body MeasurementsN/A
Eye ColorN/A
Hair ColorN/A
Shoe SizeN/A
Dress SizeN/A


Our team has updated the education of McGwire which is listed below:

SchoolDamien High School
College/UniversityUniversity of Southern California

Relationship Status

McGwire married Stephanie Slemer—a former pharmaceutical sales representative from the St. Louis area—in Las Vegas on April 20, 2002. On June 1, 2010, their triplet girls were born: Monet Rose, Marlo Rose, and Monroe Rose. They join brothers Max and Mason. They reside in a gated community in Shady Canyon, Irvine, California. Together they created the Mark McGwire Foundation for Children to support agencies that help children who have been sexually and physically abused come to terms with a difficult childhood. Mark has a son, Matthew (b. 1987), from a previous marriage (1984–1990, divorced) to Kathleen Hughes.


McGwire’s brother Dan McGwire was a quarterback for the Seattle Seahawks and Miami Dolphins of the NFL in the early 1990s, and was a first-round draft choice out of San Diego State University. He has another brother, Jay McGwire, a bodybuilder, who wrote a book in 2010 detailing their shared steroid use.

Coaching career (2010–2018)

After his playing career ended, McGwire demonstrated coaching ability, personally assisting players such as Matt Holliday, Bobby Crosby and Skip Schumaker before accepting an official role as hitting coach with an MLB team. On October 26, 2009, Tony La Russa, then manager of the Cardinals, confirmed that McGwire would become the club’s fifth hitting coach of his tenure with the Cardinals, replacing Hal McRae. McGwire received a standing ovation prior to the Cardinals home opener on April 12, 2010. In his three seasons as Cardinals hitting coach, they featured a prolific offense that led the National League in hitting and on-base percentage, and were second in runs.

Mark McGwire
Mark McGwire

Honors, records and achievements

Known as one of the top sluggers of his era, McGwire ended his career with 583 home runs, which was fifth-most in history when he retired. When he hit his 500th career home run in 1999, he did so in 5,487 career at bats, the fewest in major league history. He led all MLB in home runs in five different seasons, including 1987 and each season from 1996 to 1999. Totaling 245 home runs from 1996−99, it was the highest four-season home run output in major league history.

Further, in each of those four seasons, he exceeded 50 home runs, becoming the first player to do so. He was also the first player to hit 49 or more home runs five times, including his rookie-season record of 49 in 1987. With a career average of one home every 10.61 at-bats, he holds the MLB record for most home runs per at-bat by over a full at-bat more than second-place Babe Ruth (11.76).

Media Appearance

Prior to admitting to using steroids, McGwire avoided the media and spent much of his free time playing golf.[43] He also worked as a hitting coach for Major League players Matt Holliday, Bobby Crosby, Chris Duncan and Skip Schumaker. McGwire appeared as himself in season 7, episode 13 of the sitcom Mad About You. McGwire provided his voice for an episode of The Simpsons titled “Brother’s Little Helper”, where he played himself.

Mark McGwire
Mark McGwire

What is Mark McGwire’s Net Worth?

Mark McGwire’s net worth has been growing significantly in 2019-20. So, how much is Mark McGwire worth? What is Mark McGwire ’s salary per year and how rich is he at the age of 56 years old? We have estimated Mark McGwire net worth, money, income, and assets for 2019-20 below:

Net Worth in 2020$60 million
Salary in 2020Under Review
Net Worth in 2019Under Review
Salary in 2019Under Review
Source of IncomeBaseball Player
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Net Worth of Mark McGwire