Troy Tulowitzki has retired - Lone Star Ball
Yankees to sign shortstop Troy Tulowitzki
Troy Tulowitzki announces retirement from baseball – New York
New York Yankees news: Troy Tulowitzki announces retirement
Troy Tulowitzki announces his retirement - Beyond the Box Score
Troy Tulowitzki announces retirement - NBC Sports
Troy Tulowitzki once took in a Yankees game as a fan at Yankee
Troy Tulowitzki retires: Former Rockies all-star shortstop steps
Troy Tulowitzki retires
Troy Tulowitzki will 'do whatever I can' to help New York Yankees win
Troy Tulowitzki announces his retirement from MLB