"The California franchise will simply be called 'the Athletics' while playing home games in the state's capital city for at least the 2025, 2026 and 2027 Major League Baseball seasons."
https://foxsportsradio.iheart.com/content/2024-04-05-athletics-make-unique-decision-on-name-for-their-temporary-move/#:~:text=The%20California%20franchise%20will%20simply,2027%20Major%20League%20Baseball%20seasons.