As a season ticket holder I can exchange tickets via the Season Ticket Exchange. Tickets need to be exchanged at least 2 weeks in advance. Most of the tickets will be in the View Level. But the last time the tickets were in the Field Level. I have 2 from my package and 8 from my company's package.

The exchange tickets are "complimentary" with the face value of $0 and cannot be exchanged for a rain check. So if they cancel or suspend the game you are out of luck for the make-up game.

The following games are still available:

Friday, Aug. 29, 7:10 vs San Francisco Giants
Sunday, August 31, 12:35 vs San Francisco Giants
Wednesday, Sept. 3, 7:10 vs. Pittsburgh Pirates
Wednesday, Sept. 17, 7:10 vs. St. Louis Cardinals

If any one is interested you can respond to this thread.