“[Koufax] told me one time that if he had my changeup back when he pitched, nobody would ever be able to hit him.”
— Johan Santana, offering into evidence a statement, other than one made by the declarant, to prove the truth of the matter
asserted. But just because something is hearsay doesn’t mean it isn’t true. Indeed, if Sandy Koufax had Johan Santana’s changeup back in the 60s the Cold War would have ended twenty five years earlier than it did.