Nolan Ryan, Rickey Henderson made history on May 1, 1991 - Sports
Rickey Henderson had a milestone game on May 1st in three consecutive years - 1991, 1992, and 1993. : r/baseball
Today in Baseball History: Rickey Henderson passes Lou Brock - NBC Sports
May 1, 1991: Nolan Ryan and Rickey Henderson both make baseball history
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This Day in Sports History: May 1
Minnesota Twins Minor League Pitcher Throws Perfect WBC Game
Rickey Henderson & Nolan Ryan Signed 1991 Upper Deck #SP2 May 1 1991 Records (PSA)
Rickey Henderson Price List - Supercollector Catalog
BASEBALL; Nolan Ryan, the Wonder Who Never Ceases - The New York Times
Texas Rangers' Nolan Ryan poised to be a Hall class favorite - ESPN