Yankees pitcher Andy Pettitte to retire at end of season
Andy Pettitte: Yankees pitching advisor talks new role
Mariano Rivera - Wikipedia
Yankees great Andy Pettitte joining team as an adviser
Yankees Hint At A Major Shift With Addition Of Andy Pettitte
Yankees bring on five-time World Series champion Andy Pettitte as
Jared Pettitte gets the win in FCL Marlins combined no-hitter
Andy Pettitte embraces new role as New York Yankees' adviser - ESPN
New York Yankee Legends: Will Andy Pettitte reach the Hall of Fame?
New York Yankees fans ecstatic to see Andy Pettitte added as
Andy Pettitte - Wikipedia
AP source: Yankees sign pitcher Gerrit Cole to nine-year, $324M
Aaron Hicks, Yankees agree to $70M, 7-year deal