Bert Blyleven – Society for American Baseball Research

SABR 50 at 50: Analytics – Society for American Baseball Research

Hall of Fame pitcher Bert Blyleven has an amazing memorabilia collection to go with his impressive resume - Sports Collectors Digest

Bert Blyleven - Cooperstown Expert

SABR welcomes new European chapter named for Bert Blyleven – Society for American Baseball Research

SABR 50 at 50: Analytics – Society for American Baseball Research

Hall of Fame pitcher Bert Blyleven has an amazing memorabilia collection to go with his impressive resume - Sports Collectors Digest

SABR 50 at 50: Analytics – Society for American Baseball Research

Bert Blyleven Through The Years - Sports Illustrated

Bert Blyleven - Baseball Hall of Fame Biographies

Bert Blyleven - Cooperstown Expert