Heineman made the Giants' 60-man roster.

He was in camp on a minor-league deal, but with Aramis Garcia (hip) out through at least mid-August, Heineman is now competing with Rob Brantly (also on a minor-league deal) to be Buster Posey's backup. Joey Bart is also on the 60-man roster but is not expected to open the season in the majors.

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