Sandy Koufax Autographed Signed Perfect Game Pitchers Baseball Randy Johnson 11 Sigs Beckett
Did Catfish Hunter have the most perfect game ever? - Athletics Nation
On this date: Koufax repeats 18 K feat, by Mark Langill
Bay Area product Randy Johnson expected to be inducted into Hall of Fame – Times Herald Online
The best pitching performance ever for all 30 teams - ESPN
Incredible Perfect Game Pitchers Signed Ball (11) Sandy Koufax Randy Johnson JSA - Autographed Baseballs at 's Sports Collectibles Store
MLB perfect games: Philip Humber and more obscure pitchers to achieve immortality - Sports Illustrated
Randy Johnson's perfect game - Wikipedia
The 20 greatest Dodgers of all time, No. 1: Sandy Koufax - Los Angeles Times
Randy Johnson Signed Baseball, Autographed Randy Johnson Baseball