Jim Thome had a good showing playing designated hitter during interleague play, making him an attractive option for American League teams, and according to a tweet from the Orioles, they jumped at the chance to acquire him:
The #Orioles have acquired DH Jim Thome from the Phillies in exchange for two minor leaguers. Thome is expected to be in uniform tomorrow.— Baltimore Orioles (@Orioles) June 30, 2012
The Phillies were able to swing catcher Gabriel Lino and RHP Kyle Simon in the trade, according to CBS Sports' Jon Heyman.
it is indeed gabriel lino, catcher, and kyle simon, rhp, going to philly for thome, who goes to #orioles.— Jon Heyman (@JonHeymanCBS) June 30, 2012
Philadelphia Phillies insider Jim Salisbury first reported that the two teams were talking.