Gio scheduled to play catch at end of the week

WASHINGTON -- Gio Gonzalez, who is on the disabled list with inflammation in his left shoulder, will travel with the Nationals to Pittsburgh on Wednesday night and then play catch on flat ground at PNC Park two days later.

The Nationals placed Gonzalez on the 15-day DL on Sunday after he allowed five runs in three innings against the Mets the previous day.

Gonzalez has been dealing with shoulder problems dating back to his April 23 start against the Angels, but he said it was nothing to be concerned about.

The left-hander is hoping to miss just two starts and return to the mound soon thereafter.