Tampa Bay Rays honor Roberto Clemente by starting nine Latin American position players - The Boston Globe
MLB celebrates Roberto Clemente Day as players wear No. 21, call for number to be retired
Puerto Rican players follow Pirates' push to wear No. 21, celebrate Roberto Clemente
A Uni Watch Look at MLB's Roberto Clemente Day
Five Astros wear No. 21 on Roberto Clemente Day
Outside The Confines: Everyone wore 21 - Bleed Cubbie Blue
For Many Latino Players, Roberto Clemente's Number Is Off Limits, Too - The New York Times
Pirates players, coaches honored to wear No. 21 in celebration of Roberto Clemente Day
Living out the legacy: Curve retire No. 21 as reminder of Clemente's greatness
21 things you should know on Roberto Clemente Day