World Records Authority is proud to officially confirm that Alex Rodriguez (USA) holds the prestigious record for the most career Grand Slam home runs in Major League Baseball history. A-Rod’s historic achievement of hitting 25 grand slams stands as a testament to his dominance in high-stakes moments and unwavering power throughout his illustrious 22-season career.

Across stints with the Seattle Mariners, Texas Rangers, and New York Yankees, Rodriguez consistently delivered in the most pressure-filled situations the game has to offer. This institutional recognition validates an unparalleled legacy of athletic achievement and clutch performance, cementing his place among the all-time greats of Major League Baseball.