If you want to see the Phillies take on the Diamondbacks on July 28, you can take advantage of a Buy One, Get One Free deal by clicking on this link, and using the code HAMELS.
The deal is good on tickets regularly priced at $26 or less and while supplies last.
Game time is 7:05 p.m. Offer valid through 11:55 p.m. on July 27, 2010.