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Arodys Vizcaino, the cannon-armed right-hander who blew through Pearl earlier this summer, has been called up to Atlanta to bolster the Braves’ bullpen. Vizcaino, 20, the Braves’ No. 7 prospect in preseason, started 2011 at Class A Lynchburg. He had a 2.45 ERA there. On May 29, he was bumped to Double-A Mississippi, where he was 2-3 with a 3.81 ERA and 55 strikeouts in 49 2/3 innings. He started out in the M-Braves’ rotation before moving to the bullpen. He was promoted to Triple-A Gwinnett on July 26 and posted a 1.29 ERA out of the pen there. Vizcaino will be the 55th M-Braves alumnus to play in a big league game. Meanwhile, the M-Braves, who lost highly touted right-hander J.J. Hoover to Gwinnett on Tuesday, have replaced him with righty Andrew Wilson, up from Lynchburg. Wilson had a 2.68 ERA and five saves for the Hillcats.