Gammons: For Troy Tulowitzki and other former major-leaguers, college is the place to be - The Athletic
Rookie of the Year: Two votes short for Tulowitzki
Former Colorado Rockies star Troy Tulowitzki retires, Sports
Troy Tulowitzki to throw out opening pitch for 2010 - Long Beach State University Athletics
Troy Tulowitzki Retires, Joins Texas Coaching Staff — College Baseball, MLB Draft, Prospects - Baseball America
Story continues amazing season by tying a Troy Tulowitzki NL rookie record
Troy Tulowitzki - Wikipedia
Troy Tulowitzki retires: Former Rockies all-star shortstop steps away after 13 MLB seasons – The Denver Post
Troy Tulowitzki's Having a Moment … and Possibly a Season for the Ages
Troy Tulowitzki - Wikipedia