The exchange sends former All-Star infielder Martin Prado to Arizona along with four minor leaguers. Atlanta acquires third baseman Chris Johnson.
Justin Upton, 25, spent six seasons with the Diamondbacks, earning All-Star honors in 2009 and 2011. He hit .280 last season with 17 home runs and 67 runs batted in.
B.J. Upton, 28, recently signed a free-agent contract with Atlanta. He previously played for Tampa Bay.
Prado hit .301 with 70 runs batted in with Atlanta last season.
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