Mark McGwire Biography

August 6, 2020
First published on:August 6, 2020
by John Max

Facts of Mark McGwire

Birth Name Mark David McGwire
Birth Place Pomona, California
Famous Name Mark McGwire
Father John McGwire
Mother Ginger McGwire
Net Worth $60 million
Nationality American
Ethnicity White
Currently Married Yes
Married to Stephanie Slemer
Children six

Mark David McGwire a.k.a. Mark McGwire is an American retired baseball player who played for Oakland Athletics (1986–1997) and St. Louis Cardinals (1997–2001) in the Major League Baseball (MLB). Also, he had a stint as a coach at St. Louis Cardinals (2010–2012), Los Angeles Dodgers (2013–2015), and San Diego Padres (2016–2018).

Pomona, California native, Mark McGwire was born on 1st October 1963, under the star sign Libra. The fifty-six years old holds an American nationality and is of white ethnic background. 

How Much Is Mark McGwire's Net Worth?

As of 2020, Mark McGwire's net worth is approximately $60 million. Throughout his 15 years of playing stint, he made total career earnings of $74 million in salary. Also, he summoned tens of million from endorsements.

Mark McGwire during his playing stint SOURCE: Bleacher Report

Besides, he earned a tremendous sum of money through his coaching career. Hitting coaches in the major leagues are paid a yearly salary in the six-figure range, and top coaches make approximately $1 million annually.

He previously owned various real estate properties including a $2.52 million house in Alamo, California, and a $3.94 million home in Irvine, California.

McGwire Married Life and Children

McGwire has married twice in his life. He first tied the knot with his Kathlene Hughes in 1984. In 1987, they welcomed their first child, Matthew McGwire. In 1990, the couple divorced.

Matthew McGwire with his wife, Stephanie Slemer and the SOURCE: YouTube

On 20th April 2002, McGwire married Stephanie Slemer, a former pharmaceutical sales representative on April 20, 2002, at the MGM Grand Hotel. The couple shares five children: Max McGwire, Marlo Rose McGwire, Mason McGwire, Monroe Rose, Monet Rose McGwire.

Family & Academic Background

Mark McGwire was born to Ginger McGwire and John McGwire, a dentist. His brother Dan McGwire was a NFL quarterback for the Seattle Seahawks and Miami Dolphins in the early 1990s and was a first-round draft pick out of San Diego State University. While his other brother, Jay McGwire is a bodybuilder, who wrote a book in 2010 detailing their shared steroid use.

He enrolled at Damien High School in La Verne, California, where he excelled at baseball, golf, and basketball. In the 1981 amateur draft, he was picked by the Montreal Expos but did not sign. Further, he played college baseball at the University of Southern California. 


In the 1984 Major League Baseball draft, Mark was picked by the Oakland Athletics. On 22nd August 1986, he made his debut for the Athletics. He played for the team until 1997 and then went on to play for St. Louis Cardinals fro 1997-2001.

McGwire set the major league single-season home run record with 70, which Barry Bonds broke three years later with 73. His career highlights include 12× All-Star, 2× World Series champion, 1987 AL Rookie of the Year, 1990 Gold Glove Award, 3X Silver Slugger Award, and 5× MLB home run leader.

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