May 01, 2010 6:21 PM EST

The Nationals are expected to promote Stephen Strasburg to Triple-A Syracuse after he starts on Sunday.

He is scheduled to pitch for Double-A Harrisburg against Double-A Altoona, and if he dominates a source within the organization tells MLB.com that he'll be moved up.

Once the promotion is announced, Strasburg could pitch against Triple-A Gwinnett late next week.

Via MLB.com