According to Dean Jones Jr. of the Baltimore Sun, minor leaguer Bobby Livingston exercised a clause in his contract this afternoon to gain his release from the Orioles.Livingston, 26, was 6-2 with a 3.62 earned-run average in 13 appearances (12 starts) with the Double-A Bowie Baysox.  The clause in his contract allowed him to ask for his release if he wasn't on the major league roster by July 1.  Livingston last appeared in "the bigs" with the Reds in 2007.  He holds a 6.31 care...