Todd Helton announces retirement following 2013 season
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Todd Helton - Wikipedia
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Lot Detail - 2006-07 Todd Helton Game Used & Signed Colorado Rockies Jersey Vest (Beckett)
Carlos González jersey retirement, cemented place among Colorado Rockies greats is overdue, Colorado Rockies
Colorado Rockies retired numbers
Rockies retire Helton's No. 17 jersey
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Rockies to retire Todd Helton's number
Todd Helton's retirement should start a new Rockies tradition – The Denver Post
Helton calls No. 17 jersey retirement 'very special