White Sox activate Mark Teahen

CHICAGO -- Chicago White Sox third baseman Mark Teahen was reinstated from the 15-day disabled list before Sunday's game while right-hander Jeff Marquez was designated for assignment.

Teahen, who has been out since May 13 with a strained right oblique muscle, is returning to the major league roster slightly earlier than expected. Manager Ozzie Guillen had hoped to get Teahen multiple days at a variety of positions while in the minor leagues in preparation for his return to a utility role.

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