Anyone who donates by August 22nd, at any mobile blood drive or at United Blood Services Donation Center, 2020 W. Beauregard Avenue, in San Angelo will be entered into a drawing for a chance to win four Cowboys tickets.  The tickets are for the August 29th game between the Dallas Cowboys and Miami Dolphins.

The drawing will be held August 23rd.

To make an appointment, call 325-223-7500, or visit unitedbloodservices.org