Puerto Rican Twins don No. 21 in tribute to Roberto Clemente - InForum
Pittsburgh Pirates each don No. 21 to honor Roberto Clemente - ESPN
Cardinals, Molina homers wearing 21 on Roberto Clemente Day
Dec. 31, 1972: Roberto Clemente Dies - Zinn Education Project
Twins, Royals celebrate Roberto Clemente Day at Target Field
cl1-hw/dan/data/question_train_cl1.json at master · Pinafore/cl1-hw · GitHub
21 Impact - Roberto Clemente Foundation
A Paley Tribute to Roberto Clemente: The Legend of #21 - PIX Calendar
aqqu/results/final_wq_evaluation_output.txt at master · ad-freiburg/aqqu · GitHub
Pittsburgh Pirates each don No. 21 to honor Roberto Clemente - ESPN
Retire No. 21 for Roberto Clemente - Our Esquina