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Blount was penalized following a positive test for an amphetamine and Soto for a second violation for a drug of abuse. The suspensions announced Friday will start next season.
A 23-year-old right-hander, Blount was 4-4 with a 3.18 ERA this year for the Great Falls Voyagers of the rookie level Pioneer League. He was selected by the White Sox in the ninth round of this year's amateur draft.
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Soto, 24, was a 15th-round draft pick from Creighton in 2010 and is on the roster of Daytona of the Class A Florida State League. He batted .331 with no homers and 18 RBIs in 135 at-bats last season for Daytona and .269 with two homers and six RBIs in 121 at-bats for Tennessee of the Double-A Southern League.
There have been 59 suspensions this year under the minor league drug program and 15 under the major league program.
Copyright 2013 by The Associated Press
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