The Orioles have made the move official to reinstate Brian Roberts and from the 60-day disabled list. To make room for Roberts on the roster, the club has optioned Steve Tolleson to Triple-A Norfolk and transferred Nolan Reimold to the 60-day disabled list.
Roberts has been on the disabled list with a concussion since May 17, 2011. He batted .238/.340/.429 with five doubles, a home run, five RBI and six runs in a 14 game rehabilitation assignment with Single-A Delmarva (two games), Double-A Bowie (7G) and Triple-A Norfolk (5G).
Tolleson batted .237/.275/.447 in 12 games for the Orioles.
Reimold batted .313/.333/.627 in 16 games for the club before going on the disabled list on May 1 with a herniated disk in his neck.