Neal: Gibson is your fifth starter
It seemed apparent when the Twins listed their starters for the next five games (Diamond and Deduno were not among them) but La Velle has it from a source that the Twins will soon announce Kyle Gibson as their fifth starter. Per LEN3, Deduno will open in the bullpen. Scott Diamond's fate is unclear.
The Twins have said all along they want to take the best guy north regardless of the options situations, and this signifies that they meant it.
Article: Twins To Name Gibson Fifth Starter