Cracraft signed a contract with the Dolphins on Thursday, Marcel Louis-Jacques of ESPN.com reports.
Analysis: Cracraft was let go by the 49ers in late January but will now begin the offseason with the Dolphins. He appeared in 15 games for San Francisco over the past two seasons and saw most of his action on special teams, though he also caught six of nine targets for 41 yards.
River Cracraft Waived by 49ers
Cracraft was waived by the 49ers on Saturday, Matt Maiocco of NBC Sports Bay Area reports.
Analysis: Cracraft had appeared in each of the last eight games for San Francisco, but he played exclusively on special teams. He'll now be let go ahead of Sunday's NFC Championship Game against the Rams.
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