Former Colorado Rockies star Troy Tulowitzki retires, Sports
What's going on with Troy Tulowitzki?
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Rockies VP on Troy Tulowitzki: 'He's not going anywhere, period'
Veteran shortstop Troy Tulowitzki embraces roles of mentor, defensive anchor in Toronto Blue Jays infield
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Troy Tulowitzki announces his retirement - Beyond the Box Score
Troy Tulowitzki hears boos cheers from Blue Jays fans