- Doug Padilla, Chicago White Sox beat reporter
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The former 15th-round draft pick by the San Francisco Giants in 2005 was 1-1 with a 4.50 ERA with the Padres this season in 31 outings. He was first brought up to the major leagues on May 8 and was designated for assignment on Aug. 14.
Hinshaw is expected to join the Cubs on Monday at Milwaukee when a corresponding move on the active roster will be made. To get Hinshaw on the 40-man roster, Arodys Vizcaino was transferred to the 60-day disabled list.
Vizcaino was obtained on July 30 in a trade with the Atlanta Braves. He underwent Tommy John surgery during spring training this season and is expected to be ready to pitch again during spring training in 2013.
The Cubs add to the bullpen after claiming lefty reliever Hinshaw off waivers.