 He was placed on the 15-day disabled list on August 31, 2007 because of his recurring left shoulder problems.On September 11, Rolen had season-ending shoulder surgery "for the removal of scar tissue and a bursectomy and a manipulation of his left (non-throwing) shoulder" release.On January 12, 2008, the Cardinals reached a preliminary deal to send Rolen to the Toronto Blue Jays for Troy Glaus (which became finalized on January 14).