List of Major League Baseball single-game grand slam leaders

hit two grand slams in the same gameList of Major League Baseball hitters with two grand slams in one gametwo grand slamstwo grand slams in the same gameBatters with two Grand Slams in the same baseball gamehit two grand slams during a single gamehit two grand slams in a single gamemost grand slams in one gametwo grand slams in a single gametwo grand slams in one game
In baseball, a grand slam is a home run that is hit when all three bases are loaded, thereby scoring four runs—the most possible in one play.wikipedia
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Nomar Garciaparra

NomarGarciaparraNomar (Garciaparra)
Nomar Garciaparra is the sole player to achieve the feat at home, doing so at Fenway Park for the Boston Red Sox.
He is one of 13 players in Major League history to hit two grand slams during a single game, and the only player to achieve the feat at his home stadium.

Josh Willingham

Josh “The Hammer” Willingham
Thirteen players have hit two grand slams in a single Major League Baseball (MLB) game to date, the most recent being Josh Willingham of the Washington Nationals on July 27, 2009. These requirements leave ineligible one player—Josh Willingham— who is living and has played in the past five seasons and one—Jim Tabor—who did not play in 10 seasons.
On July 27, 2009, Willingham became the 13th player in MLB history to hit two grand slams in the same game and the 7th in MLB history to accomplish this feat in back to back innings.

Grand slam (baseball)

grand slamgrand slamsgrand slam home run
In baseball, a grand slam is a home run that is hit when all three bases are loaded, thereby scoring four runs—the most possible in one play.

Tony Cloninger

Cloninger
Tony Cloninger is the only pitcher to have accomplished the feat.
Cloninger became the first player in the National League, and the only pitcher to date, to hit two grand slams in the same game.

Tony Lazzeri

Anthony M. LazzeriTony Lazerri
Tony Lazzeri was the first player to hit two grand slams in a single game, doing so for the New York Yankees against the Philadelphia Athletics on May 24, 1936.

Bill Mueller

Bill Mueller (3B)
Bill Mueller hit his grand slams from both sides of the plate, while Jim Northrup hit his grand slams on consecutive pitches received in the fifth and sixth innings.

Fernando Tatís

Fernando TatisFernando Sr.Fernando Tatis Sr.
Fernando Tatís became the only player to hit two grand slams in the same inning, when he attained the milestone, slugging two in the third inning for the St. Louis Cardinals on April 23, 1999.
* List of Major League Baseball single-game grand slam leaders

Robin Ventura

Cloninger is the only player who never hit a grand slam before or after his milestone game, while Robin Ventura—with 18 grand slams—hit more than any other player in this group.

Jim Northrup (baseball)

Jim NorthrupNorthrup, Jim
Bill Mueller hit his grand slams from both sides of the plate, while Jim Northrup hit his grand slams on consecutive pitches received in the fifth and sixth innings.

Frank Robinson

Robinson
Frank Robinson is also a member of the 500 home run club.

Jim Gentile

In addition, Gentile hit five grand slams — (including two straight in one game) — setting an American League record that stood until Don Mattingly belted six in one season1987.

Jim Tabor

These requirements leave ineligible one player—Josh Willingham— who is living and has played in the past five seasons and one—Jim Tabor—who did not play in 10 seasons.
* List of Major League Baseball hitters with two grand slams in one game

Chris Hoiles

On August 14, 1998, at Jacobs Field in Cleveland, Hoiles became the ninth player and the first catcher in major league history to hit two grand slams in one game.

Baseball

playerbaseball playerbaseball team
In baseball, a grand slam is a home run that is hit when all three bases are loaded, thereby scoring four runs—the most possible in one play.

Home run

home runsHRhomer
In baseball, a grand slam is a home run that is hit when all three bases are loaded, thereby scoring four runs—the most possible in one play.

Run (baseball)

runsruns scoredrun
In baseball, a grand slam is a home run that is hit when all three bases are loaded, thereby scoring four runs—the most possible in one play.

Major League Baseball

MLBMajor LeagueMajor Leagues
Thirteen players have hit two grand slams in a single Major League Baseball (MLB) game to date, the most recent being Josh Willingham of the Washington Nationals on July 27, 2009.

Washington Nationals

NationalsWashingtonWashington Nationals Ring of Honor
Thirteen players have hit two grand slams in a single Major League Baseball (MLB) game to date, the most recent being Josh Willingham of the Washington Nationals on July 27, 2009.

New York Yankees

YankeesNew York HighlandersNew York Yankee
Tony Lazzeri was the first player to hit two grand slams in a single game, doing so for the New York Yankees against the Philadelphia Athletics on May 24, 1936.

Oakland Athletics

Oakland AAthleticsPhiladelphia Athletics
Tony Lazzeri was the first player to hit two grand slams in a single game, doing so for the New York Yankees against the Philadelphia Athletics on May 24, 1936.

Run batted in

Runs batted inRBIRBIs
Lazzeri, for example, proceeded to hit a third home run in the game and finished with a total of eleven runs batted in, an American League record.

American League

ALAmericanAmerican League (AL)
Lazzeri, for example, proceeded to hit a third home run in the game and finished with a total of eleven runs batted in, an American League record.

St. Louis Cardinals

St. Louis BrownsCardinalsSt. Louis
Fernando Tatís became the only player to hit two grand slams in the same inning, when he attained the milestone, slugging two in the third inning for the St. Louis Cardinals on April 23, 1999.

Switch hitter

switch-hitterswitch-hittingswitch hitting
Bill Mueller hit his grand slams from both sides of the plate, while Jim Northrup hit his grand slams on consecutive pitches received in the fifth and sixth innings.