Museum Homepage

The San Mateo County Historical Association
Online Collections Database

The mission of the San Mateo County Historical Association is to inspire wonder and discovery
of the cultural and natural history of San Mateo County.

Person Record

  • Email This Page
  • Send Feedback
Name Jefferies, Gregg
Notes "Gregg Jefferies was a natural. As a young boy growing up in Millbrae, he became a mini-legend on Bay Area youth league diamonds. At Serra High in San Mateo, he was a state-caliber, multi-sport athlete who excelled in baseball and football. He signed a professional baseball contract after his senior year at Serra. A National League all-star, he has been a major league player for 11-seasons, competing for three National League teams: the Mets, Cardinals, and Phillies. He carried a career .296 batting average in the 1997 season." [2009.030.089]

A retired infielder/outfielder in Major League Baseball who had a 14-year career from 1987 to 2000. He was a highly touted prospect who was the 1985 Major League Baseball Draft number one overall selection who became a two-time (1986 & 1987) Baseball America Minor League Player of the Year. He went on to become a two-time All-Star. Now owns Gregg Jefferies Sports Academy in Pleasanton, California.
Imagefile Jefferies, Gregg.jpg
Role Athlete
Born Aug. 1, 1967
Birthplace Burlingame, CA
Occupation Baseball, infielder/left fielder
New York Mets (1987–1991, Kansas City Royals (1992), St. Louis Cardinals (1993–1994), Philadelphia Phillies (1995–1998), Anaheim Angels (1998), Detroit Tigers (1999–2000)
Titles & honors SMC Sports Hall of Fame plaque
Education Serra High School
Places of residence Millbrae
Pleasanton, CA
Spouse Jeannie Marshall

Associated Records

Image of 2015.003.043A - Gregg Jefferies Baseball Card, 1999, Topps paper card.  The front of the card has an image of Jefferies in a white Detroit Tigers uniform wearing a blue baseball cap with a white 'D'.  His arms are resting on a baseball bat and he is standing on a grassy field. The borders of the card are gold and text in gold reads, "GREG JEFFERIES".  Also includes the Detroit Tigers and Topps logos.  The back of the card has an image of Jefferies on the left side.  He is wearing a blue windbreaker, a blue cap and white pants.  Text on the right side describes his biographical information, statistics and accomplishments.  Also includes Topps, MLB, and MLBPA logos as well as copyright information.

2015.003.043A - Gregg Jefferies Baseball Card, 1999, Topps paper card. The front of the card has an image of Jefferies in a white Detroit Tigers uniform wearing a blue baseball cap with a white 'D'. His arms are resting on a baseball bat and he is standing on a grassy field. The borders of the card are gold and text in gold reads, "GREG JEFFERIES". Also includes the Detroit Tigers and Topps logos. The back of the card has an image of Jefferies on the left side. He is wearing a blue windbreaker, a blue cap and white pants. Text on the right side describes his biographical information, statistics and accomplishments. Also includes Topps, MLB, and MLBPA logos as well as copyright information.

Gregg Jefferies Baseball Card, 1999, Topps paper card. The front of the card has an image of Jefferies in a white Detroit Tigers uniform wearing a blue baseball cap with a white 'D'. His arms are resting on a baseball bat and he is standing on a grassy field. The borders of the card are gold and text in gold reads, "GREG JEFFERIES". Also includes the Detroit Tigers and Topps logos. The back of the card has an image of Jefferies on the left side. He is wearing a blue windbreaker, a blue cap and white pants. Text on the right side describes his biographical information, statistics and accomplishments. Also includes Topps, MLB, and MLBPA logos as well as copyright information.

Image of 2015.003.043B - Gregg Jefferies Baseball Card, 2000, Topps paper card.  The front of the card has an image of Jefferies in a white Detroit Tigers uniform wearing a blue baseball helmet with a white 'D'.  He has just swing a baseball bat. The borders of the card are green and text in gold reads, "Greg JEFFERIES".  Also includes the Detroit Tigers and Topps logos.  The back of the card has an image of Jeffries on the left side.  He is wearing a white uniform with blue letters and a blue baseball cap with a white 'D'.  Text on the right and below describes his biographical information, statistics and accomplishments.  Also includes Topps, MLB, and MLBPA logos as well as copyright information.

2015.003.043B - Gregg Jefferies Baseball Card, 2000, Topps paper card. The front of the card has an image of Jefferies in a white Detroit Tigers uniform wearing a blue baseball helmet with a white 'D'. He has just swing a baseball bat. The borders of the card are green and text in gold reads, "Greg JEFFERIES". Also includes the Detroit Tigers and Topps logos. The back of the card has an image of Jeffries on the left side. He is wearing a white uniform with blue letters and a blue baseball cap with a white 'D'. Text on the right and below describes his biographical information, statistics and accomplishments. Also includes Topps, MLB, and MLBPA logos as well as copyright information.

Gregg Jefferies Baseball Card, 2000, Topps paper card. The front of the card has an image of Jefferies in a white Detroit Tigers uniform wearing a blue baseball helmet with a white 'D'. He has just swing a baseball bat. The borders of the card are green and text in gold reads, "Greg JEFFERIES". Also includes the Detroit Tigers and Topps logos. The back of the card has an image of Jeffries on the left side. He is wearing a white uniform with blue letters and a blue baseball cap with a white 'D'. Text on the right and below describes his biographical information, statistics and accomplishments. Also includes Topps, MLB, and MLBPA logos as well as copyright information.

Image of 2015.003.043C - Gregg Jefferies Baseball Card, 2009, Tristar Productions paper card.  The front of the card has a painted black and white image of Jefferies superimposed on a painted color background of the sky at dusk with clouds and a green wall.  He is wearing a white New York Mets uniform.  He is running and his right hand is raised celebratory in a fist and he is wearing a glove on his left hand.  Text reads, "JEFFERIES, Jackson".  The back of the card is white and in blue text lists Jefferies' Minor League accomplishments.  Also includes MiLB and Tristar logos as well as copyright information.

2015.003.043C - Gregg Jefferies Baseball Card, 2009, Tristar Productions paper card. The front of the card has a painted black and white image of Jefferies superimposed on a painted color background of the sky at dusk with clouds and a green wall. He is wearing a white New York Mets uniform. He is running and his right hand is raised celebratory in a fist and he is wearing a glove on his left hand. Text reads, "JEFFERIES, Jackson". The back of the card is white and in blue text lists Jefferies' Minor League accomplishments. Also includes MiLB and Tristar logos as well as copyright information.

Gregg Jefferies Baseball Card, 2009, Tristar Productions paper card. The front of the card has a painted black and white image of Jefferies superimposed on a painted color background of the sky at dusk with clouds and a green wall. He is wearing a white New York Mets uniform. He is running and his right hand is raised celebratory in a fist and he is wearing a glove on his left hand. Text reads, "JEFFERIES, Jackson". The back of the card is white and in blue text lists Jefferies' Minor League accomplishments. Also includes MiLB and Tristar logos as well as copyright information.

Image of 2009.030.089 - Wood and acrylic plaque commemorating Gregg Jefferies of Serra High School who was inducted into the San Mateo County Sports Hall of Fame on May 22, 1997.  Plaque includes image of Jefferies and a brief biography:  "Gregg Jefferies was a natural. As a young boy growing up in Millbrae, he became a mini-legend on Bay Area youth league diamonds. At Serra High in San Mateo, he was a state-caliber, multi-sport athlete who excelled in baseball and football. He signed a professional baseball contract after his senior year at Serra. A National League all-star, he has been a major league player for 11-seasons, competing for three National League teams: the Mets, Cardinals, and Phillies. He carried a career .296 batting average in the 1997 season."

2009.030.089 - Wood and acrylic plaque commemorating Gregg Jefferies of Serra High School who was inducted into the San Mateo County Sports Hall of Fame on May 22, 1997. Plaque includes image of Jefferies and a brief biography: "Gregg Jefferies was a natural. As a young boy growing up in Millbrae, he became a mini-legend on Bay Area youth league diamonds. At Serra High in San Mateo, he was a state-caliber, multi-sport athlete who excelled in baseball and football. He signed a professional baseball contract after his senior year at Serra. A National League all-star, he has been a major league player for 11-seasons, competing for three National League teams: the Mets, Cardinals, and Phillies. He carried a career .296 batting average in the 1997 season."

Wood and acrylic plaque commemorating Gregg Jefferies of Serra High School who was inducted into the San Mateo County Sports Hall of Fame on May 22, 1997. Plaque includes image of Jefferies and a brief biography: "Gregg Jefferies was a natural. As a young boy growing up in Millbrae, he became a mini-legend on Bay Area youth league diamonds. At Serra High in San Mateo, he was a state-caliber, multi-sport athlete who excelled in baseball and football. He signed a professional baseball contract after his senior year at Serra. A National League all-star, he has been a major league player for 11-seasons, competing for three National League teams: the Mets, Cardinals, and Phillies. He carried a c