The Orioles announced Monday that theyve designated right-hander for a signment. His spot on the roster will go to top infield prospect , whose has now been formally announced by the team. Baltimore also placed infielder/outfielder on the 7-day concu sion list and recalled left-hander from Triple-A Norfolk. The Orioles only recently acquired the 30-year-old Vieira in a , whod also designated...