Caitlin Clark's breaking records on and off the court ... her autographed WNBA draft rookie card just sold at auction for a record-breaking $84,000!
The Panini Instant one-of-one card features the No. 1 draft pick holding up her Indiana Fever jersey on stage at the Brooklyn Academy of Music in New York ... moments after she was selected.
The Blue Viper rookie RC card was also signed by Clark, "guaranteed" authentic by Panini America.