Boscan is starting Saturday's game against the Washington Nationals.
Jones has missed seven straight starts. He still isn't ready to play after hurting his leg May 18.
The Braves have a pressing need at catcher after backup David Ross left Friday night's game with a right groin strain. Brian McCann took over for Ross after missing the previous three games with an illness.
The 40-year-old Jones, in his final season, is hitting .307 with five homers and 24 RBIs.
The 32-year-old Boscan was hitting .192 with two homers at Gwinnett. He made brief appearances with Atlanta in 2010 and 2011.
http://accesswdun.com/article/2012/5/249047