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04/27/10 3:30 PM ET

Orioles select Simon's contract

Mickolio optioned to Norfolk; Perez designated for assignment

BALTIMORE -- Seeking help for their beleaguered bullpen, the Orioles selected the contract of Alfredo Simon from Triple-A Norfolk and optioned Kam Mickolio back to the Tides, designating left-hander Wilfrido Perez for assignment to clear room on the 40-man roster.

The move was made prior to Tuesday's series opener against the Yankees.

The 28-year-old Simon went 1-1 with a 1.59 ERA, five walks and 14 strikeouts in four games (three starts) for Norfolk. Mickolio was recalled on April 15 and recorded a 7.36 ERA over 3 2/3 innings, with three walks and four strikeouts in three games.

Brittany Ghiroli is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.