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Rockies pitching prospect Jon Gray allowed two hits and one walk while striking out two in two scoreless innings in his team's 8-1 loss to the Mariners Monday.
Gray was rated a top-15 prospect by both Baseball America and MLB.com this offseason and could make his MLB debut later this year if he progresses quickly. He went 4-0 with a 1.93 ERA in nine starts between two levels last season.






