Longtime star Todd Helton is honored by Rockies, who retire his No. 17 – The Denver Post
Rockies retire Todd Helton's No. 17 jersey, Sports
Colorado Rockies' Todd Helton to retire at end of season - Los Angeles Times
Examining Todd Helton's Hall of Fame case in third year on ballot, Sports
Colorado Rockies: Top 5 First Basemen in Franchise History
Helton's No. 3 Retired at Leadoff Banquet - University of Tennessee Athletics
Local kids' paths to the Show, Colorado products, Rockies plan
Colorado Rockies retired numbers
Tyler Chatwood's arm, bat lead Rockies past Padres – The Durango Herald
PHOTOS: Todd Helton through the years
Todd Helton – Society for American Baseball Research
Colorado Rockies to retire Larry Walker's No. 33, Sports