McDonald, 38, said he is happy the Phillies acquired him, but he would have gone somewhere in Triple-A to continue his career.
McDonald is hitting just .053 (2-for-38) this season.
"I've hit balls hard this year. It kills me to see my average obviously," he said.
Todd Zolecki is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.