New Japan Pro-Wrestling pay-per-view event
Battle in the Valley was a professional wrestling pay-per-view (PPV) event produced by New Japan Pro-Wrestling (NJPW). It took place on February 18, 2023, at San Jose Civic in San Jose, California. It was the second event under the Battle in the Valley chronology.
Ten matches were contested at the event, including two on the pre-show. In the main event, Kazuchika Okada defeated Hiroshi Tanahashi to retain the IWGP World Heavyweight Championship. In other prominent matches, Eddie Kingston defeated Jay White in a Loser Leaves NJPW match, Mercedes Moné defeated Kairi to win the IWGP Women's Championship, and in the opening bout, Kushida, Volador Jr., Kevin Knight and The DKC defeated Máscara Dorada, Josh Alexander, Adrian Quest and Rocky Romero.
The event featured the in-ring debut of Mercedes Moné (formerly known as Sasha Banks) in NJPW after making an appearance at Wrestle Kingdom 17, as well as wrestlers from NJPW partner promotions All Elite Wrestling (AEW), World Wonder Ring Stardom, Consejo Mundial de Lucha Libre (CMLL), and Impact Wrestling.