The move is retroactive to April 30.
The 28-year-old player, who made his way back to the starting lineup this spring after recovering from surgery on the wrist he dislocated last Sept. 1, is batting .103 (4-for-39) with three RBI in 18 games this season.
The Marlins recalled outfielder Bryan Petersen from Class AAA New Orleans to take Murphy's roster spot.
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