| San Francisco Giants (72-57) at Houston Astros (40-89) |
| Game One |
San Francisco 3, Houston 2 |
| Game Two |
Wednesday, August 29th, 8:05 p.m. |
| Game Three |
Thursday, August 30th, 8:05 p.m. |
| Records |
| 2012 Head-to-Head Record |
San Francisco 6-1 (5-1 at SF; 1-0 at Hou) |
| 2011 Head-to-Head Record |
Houston 4-3 (2-2 at SF; 2-1 at Hou) |
| 2010 Head-to-Head Record |
San Francisco 7-2 (3-0 at SF; 4-2 at Hou) |
| 2009 Head-to-Head Record |
San Francisco 4-2 (2-1 at SF; 2-1 at Hou) |
| Home Record |
San Francisco 37-28; Houston 27-36 |
| Away Record |
San Francisco 35-29; Houston 13-53 |
| Current Streak |
San Francisco (W1); Houston (L3) |
| Record vs. Central Division |
San Francisco 23-13 |
| Record vs. Western Division |
Houston 8-26 |
| 2012 Meetings |
| 6/12 - San Francisco, 6-3 (at SF - WP: Bumgarner; LP: Norris) |
| 6/13 - San Francisco, 10-0 (at SF - WP: Cain; LP: Happ) |
| 6/14 - Houston, 6-3 (at SF - WP: W.Rodriguez; LP: Zito) |
| 7/13 - San Francisco, 5-1 (at SF - WP: Bumgarner; LP: W.Rodriguez) |
| 7/14 - San Francisco, 3-2 (12) (at SF - WP: Affeldt; LP: Myers) |
| 7/15 - San Francisco, 3-2 (at SF - WP: Cain; LP: Norris) |
| 8/28 - San Francisco, 3-2 (at Hou - WP: Casilla; LP: W.Lopez) |
| 2011 Meetings |
| 8/19 - Houston, 6-0 (at Hou - WP: W.Rodriguez; LP: Vogelsong) |
| 8/20 - Houston, 7-5 (at Hou - WP: Lyles; LP: Bumgarner) |
| 8/21 - San Francisco, 6-4 (11) (at Hou - WP: Affeldt; LP: Melancon) |
| 8/25 - Houston, 3-1 (at SF - WP: Sosa; LP: Vogelsong) |
| 8/26 - San Francisco, 2-1 (at SF - WP: Bumgarner; LP: Happ) |
| 8/27 - San Francisco, 2-1 (10) (at SF - WP: Affeldt; LP: Fe.Rodriguez) |
| 8/28 - Houston, 4-3 (11) (at SF - WP: Melancon; LP: R.Ramirez) |
| 2010 Meetings |
| 4/05 - San Francisco, 5-2 (at Hou - WP: Lincecum; LP: Oswalt) |
| 4/06 - San Francisco, 3-0 (at Hou - WP: Zito; LP: W.Rodriguez) |
| 4/07 - San Francisco, 10-4 (at Hou - WP: Affeldt; LP: Gervacio) |
| 5/14 - San Francisco, 8-2 (at SF - WP: Wellemeyer; LP: Paulino) |
| 5/15 - San Francisco, 2-1 (at SF - WP: Lincecum; LP: Oswalt) |
| 5/16 - San Francisco, 4-3 (at SF - WP: Zito; LP: Myers) |
| 6/22 - San Francisco, 3-1 (at Hou - WP: Lincecum; LP: Oswalt) |
| 6/23 - Houston, 6-3 (at Hou - WP: Myers; LP: Zito) |
| 6/24 - Houston, 7-5 (at Hou - WP: W.Rodriguez; LP: Cain) |
| 2009 Meetings |
| 7/03 - San Francisco, 13-0 (at SF - WP: Sadowski; LP: Paulino) |
| 7/04 - San Francisco, 9-0 (at SF - WP: Lincecum; LP: Ru.Ortiz) |
| 7/05 - Houston, 7-1 (at SF - WP: Oswalt; LP: R.Johnson) |
| 8/03 - Houston, 4-3 (at Hou - WP: Hampton; LP: Cain) |
| 8/04 - San Francisco, 8-1 (at Hou - WP: Jon.Sanchez; LP: Paulino) |
| 8/05 - San Francisco, 10-6 (at Hou - WP: J.Martinez; LP: Moehler) |
| San Francisco last five games |
Houston last five games |
| 8/23 - W vs. Atlanta, 5-2 |
8/23 - L at St. Louis, 5-13 |
| 8/24 - W vs. Atlanta, 5-3 |
8/24 - W at NY Mets, 3-1 |
| 8/25 - L vs. Atlanta, 3-7 |
8/25 - L at NY Mets, 1-3 |
| 8/26 - L vs. Atlanta, 1-7 |
8/26 - L at NY Mets, 1-2 |
| 8/28 - W at Houston, 3-2 |
8/28 - L vs. San Francisco, 2-3 |