The 40-year-old first baseman’s decision was announced after a 9-2 loss to the Arizona Diamondbacks on Saturday night. Fittingly, he had a double in his only hit of the night, the 586th of his career.
Barring an unforeseen absence, his final game at Coors Field will be Sept. 25 against the Boston Red Sox, the team that swept the Rockies during the 2007 World Series.
The Rockies finish the season Sept. 29 in Los Angeles against the Dodgers.
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