Enters his second season with the Padres organization, serving in the role of bench coach. Served as hitting coach for the previous six seasons before joining the Padres, including three with the St. Louis Cardinals from 2010-12 and the previous three with the Los Angeles Dodgers. In 2014, under his guidance in Los Angeles the Dodgers led all of Major League Baseball with a .333 team OBP and ranked among NL leaders in batting average (.265, 2nd), slugging (.406, 2nd), extra-base hits (474, 3rd) and runs scored (718, 2nd)…the club that season also led the Majors with a .286 average with runners in scoring position. During his tenure with the Dodgers from 2013-15, the club ranked first in the National League (third in the Majors) in on-base percentage (.329) and second in the NL in batting average (.265), slugging percentage (.401) and OPS (.730). With St. Louis as hitting coach from 2010-12 the Cardinals led the NL in team average (.269), OBP (.337) and average with RISP (.274), ranked second in runs (2,263), fourth in slugging (.416) and third in OPS (.753) over that span. His coaching tenure in St. Louis was highlighted by the Cardinals' 2011 season when St. Louis led the NL in batting average (.273), OBP (.341), slugging (.425, T1st), OPS (.766) and runs scored (762), while striking out a NL-low 978 times en route to winning a World Series title.
Over a 16-year Major League career with the Oakland Athletics (1986-97) and St. Louis Cardinals (1997-2001) he hit .263 with 583 home runs, 1,414 RBI and 1,167 runs scored, the 10th-most home runs in baseball history. A 12-time Major League All-Star, he was also named the 1987 American League Rookie of the Year for the A's, the same season Benito Santiago was named National League Rookie of the Year for the Padres …over 151 games his rookie season he hit .289 with 49 home runs, 118 RBI and 97 runs scored for the A's. McGwire still holds the record for most home runs by a rookie (49) and career at-bats per home run (10.6). In 1999 he was also named to the Major League Baseball All-Century Team. In 1998 he broke Roger Maris' single-season home run record, set in 1961, of 61 home runs on September 8 against the Chicago Cubs' Steve Trachsel, going on to hit 70 home runs that season and following it up in 1999 with 65 home runs…also led all Major Leaguers in 1998 with a .752 slugging percentage, second in NL history behind Roger Hornsby's .756 slugging percentage in 1925. In 1997 he became only the second Major Leaguer, after Babe Ruth, to hit 50-or-more home runs in consecutive seasons and also the first player to ever hit 20 home runs with two different teams in one season, hitting 24 homers for the Cardinals after arriving in a July 31 trade from Oakland. Helped lead the A's to a World Series championship title run in 1989 when Oakland defeated San Francisco. Hit an Oakland record and MLB-leading 52 home runs in 1996, becoming the 14th player in history to hit 50 home runs. Originally signed as a first-round selection (10th overall) in the 1984 First-Year Player Draft out of the University of Southern California where he was named The Sporting News National Player of the Year as well as an All-American and Pac-10 Player of the Year in 1984, playing for legendary coach and former Brooklyn Dodger Rod Dedeaux. Also served as a member of Team USA at the 1984 Olympics in Los Angeles.
Full name is Mark David McGwire...resides in Irvine, Calif. with his wife, Stephanie, and their children, triplet girls Monet, Marlo and Monroe, and sons Max and Mason…also has a 30-year-old son, Matt, from a previous marriage.