Andy Pettitte – Society for American Baseball Research

Andy Pettitte of New York Yankees caps career with complete-game win - ESPN

Baseball history unpacked, July 19 - Bleed Cubbie Blue

Andy Pettitte retires at a time he might be more useful than ever to New York Yankees

Why everybody should vote Andy Pettitte into the Hall of Fame - ESPN

Andy Pettitte - New York Yankees Starting Pitcher - ESPN

Derek Jeter – Society for American Baseball Research

Andy Pettitte: Breaking News, Rumors & Highlights

Andy Pettitte's a tough Cooperstown case

Andy Pettitte PSA AutographFacts℠

Baseball-Reference.com - 10 years ago today, Andy Pettitte ended retirement after one year, signing a minor league contract with the New York Yankees.

Mel Antonen: Voters say Andy Pettitte comes up short by Hall of Fame standards - Sports Illustrated

Babe Ruth – Society for American Baseball Research

2023 Cal Poly Baseball Team Information Guide by Cal Poly Athletics - Issuu