Former Rockies SS Troy Tulowitzki announces retirement - Purple Row
Troy Tulowitzki announces retirement after 13 seasons in MLB: 'It has been an absolute honor'
Blue Jays: Troy Tulowitzki announces retirement from baseball
Baseball 'was his whole being': Troy Tulowitzki changed the Rockies at their core - The Athletic
Troy Tulowitzki retires after injuries derailed Hall of Fame path
Troy Tulowitzki - Wikipedia
Troy Tulowitzki has retired - Lone Star Ball
Tulowitzki, grateful to live 'my dream,' retires - ESPN
Yankees' Troy Tulowitzki announces retirement from Major League Baseball
Troy Tulowitzki Retires After a Brief Comeback in Pinstripes - The New York Times