Jul 04, 2008 - The Diamondbacks optioned Robertson to Triple-A Tucson and designated outfielder Jeff Salazar for assignment Friday after recalling infielder Emilio Bonifacio and outfielder Alex Romero.
Jul 02, 2008 - The Diamondbacks selected Robertson's contract from Triple-A Tucson Tuesday to fill the roster spot created when left fielder Eric Byrnes was placed on the DL with a strained left hamstring.
