July 25, 1956: Roberto Clemente hits an inside-the-park, walk-off grand slam to lift Pirates – Society for American Baseball Research

Roberto clemente hall of fame hi-res stock photography and images - Alamy

Roberto Clemente Was An Outstanding Human Being

Nearly 50 years after his death, Roberto Clemente's legacy lives on - Pasquines

Jimmy T on X: On this date (July 25) in 1956, Roberto Clemente became the only MLB player to hit a walkoff, inside-the-park grand slam in a 9–8 @ Pirates win over the @

Is there no footage of Roberto Clemente's walk-off inside the park grand slam? : r/baseball

September 30, 1972: Roberto Clemente collects 3,000th career hit in final at-bat – Society for American Baseball Research

December 31: ¡Arriba Roberto! - Sports Illustrated Vault

Roberto Clemente Was An Outstanding Human Being

Exhibit honoring Roberto Clemente's 3,000th hit at center of celebration of Pirates legend