Swanson was taken by the D - backs with the first overall selection in the 2015 MLB Draft .
Swanson was was traded to the Braves in the blockbuster deal that sent right - hander Shelby Miller to Arizona in December .
Swanson was taken by the D - backs with the first overall selection in the 2015 MLB Draft and was traded to the Braves in the blockbuster deal that sent right - hander Shelby Miller to Arizona in December .