In 2025, MLB power couples Shohei Ohtani and Mamiko Tanaka, and Vladimir Guerrero Jr. and Nathalie Guerrero, are noted for their significant combined net worths. Ohtani's fortune is estimated at $150 million, with Tanaka's contributing around $70 million, totaling approximately $220 million. Guerrero Jr.'s net worth is estimated at $40 million, augmented by his wife Nathalie's philanthropic work with their foundation, though her individual net worth is not detailed.