The Tatis name means offensive power in Major League Baseball. Fernando Tatis Jr., from the Dominican Republic, carries a .282 career batting average with 165 home runs, but his legacy is shadowed by an act his father, Fernando Tatis Sr., also Dominican, pulled off just once in baseball history: two grand slams in the same inning on April 10, 1999 with the St. Louis Cardinals. A record no one has matched.
The Act That Defined a Dynasty
Fernando Tatis Sr. reached the majors in 1997 and quickly earned respect as a power hitter. On that April 10, 1999 afternoon against the Los Angeles Dodgers, the Dominican connected on his first grand slam in the third inning. Three batters later, with the bases loaded again, he hit another. Five runs in one frame. No other player in Major League history has replicated that feat. Tatis Sr. finished his career with 226 home runs and a .270 average, but that April moment remains untouched.
Junior Inherits the Talent, Not the Record
Fernando Tatis Jr. was born in San Diego in 1999, the same year his father made history. He grew up knowing his last name carried the weight of power. He debuted with the San Diego Padres in 2019 and has since become one of baseball’s most electrifying hitters. His swing speed, ability to hit home runs to all fields, and defensive versatility have made him a star. By age 25, he had already accumulated over 100 home runs in his career, a pace that places him among the game’s elite Latino talents.
The Weight of a Historic Name
Growing up as the son of a major leaguer with a unique record brings both inspiration and pressure. Fernando Jr. has spoken publicly about honoring his father’s legacy while building his own. He doesn’t need to match two grand slams in one inning; his path is different. What they share is the ability to change a game in an instant, to hit a ball that makes the crowd jump to its feet.
Dominicans Who Left Their Mark
The Dominican Republic has produced some of baseball’s greatest hitters: Juan Manuel Marichal, Pedro Martínez, David Ortiz. The Tatis family—father and son—joins that legacy of excellence. As Fernando Jr. continues writing his story in the majors, the Tatis name remains synonymous with offensive power and Latino talent that transcends generations.
| Player | Country | Career Home Runs | Batting Avg. | Notable Achievement |
|---|---|---|---|---|
| Fernando Tatis Sr. | Dominican Republic | 226 | .270 | 2 grand slams in one inning (1999) |
| Fernando Tatis Jr. | Dominican Republic | 165+ | .282 | Current star, San Diego Padres |
FAQ
Has anyone matched the record of two grand slams in one inning?
No. Fernando Tatis Sr. remains the only player in Major League history to accomplish this feat, which occurred on April 10, 1999.
How many home runs does Fernando Tatis Jr. have in his career?
Over 165 home runs to date, with a .282 batting average. He continues in his prime as one of the best Latino hitters in baseball today.
Where is the Tatis family from?
Both Fernando Tatis Sr. and Fernando Tatis Jr. are from the Dominican Republic, a nation that has produced countless talents for Major League Baseball.

