Pirates acquired LHP Andy Oliver from the Tigers for C Ramon Cabrera.
The Tigers plan to have left-hander Andy Oliver pitch out of the bullpen during spring training.
The Tigers have shifted Andy Oliver to the bullpen at Triple-A Toledo.
The Tigers haven't decided on a replacement for Doug Fister (side) but will watch Andy Oliver pitch on Sunday and Casey Crosby on Monday for Triple-A Toledo.
Tigers optioned LHP Andy Oliver to Triple-A Toledo.
Andrew Oliver was pounded for seven runs -- six earned -- in three innings by the Astros on Tuesday.
Andrew Oliver gave up three runs and five walks in 3 2/3 innings Wednesday against the Twins.
CBS Sports' Danny Knobler wrote Sunday that it's appearing less likely that the Tigers will trade for a starting pitcher.
After Jacob Turner struggled, Andrew Oliver worked four scoreless innings out of the pen Monday against the Mets.
Working in relief of Jacob Turner, Andrew Oliver pitched three hitless innings Wednesday in the Tigers' 5-1 win over the Braves.
Andrew Oliver pitched three scoreless innings and struck out six in the Tigers' 11-1 rout of Florida Southern on Friday.
Tigers pitching prospect Andy Oliver has posted a 5.84 ERA in six Arizona Fall League starts.
Yahoo's Jeff Passan reports that the Tigers are dangling Andy Oliver in trade talks.