(Photo credit: Tommy Gilligan) Trey Mancini, who played six of his eight major league seasons with the Baltimore Orioles, officially retired Saturday after signing a one-day contract with his former club. Mancini, 34, was set to be celebrated for his inspiring career before the Orioles' home game Saturday against the Milwaukee Brewers. Drafted in the eighth round by Baltimore in 2013, Mancini was name