| Boston Red Sox (41-36) at Seattle Mariners (33-46) |
| Game One |
Seattle 1, Boston 0 |
| Game Two |
Boston 5, Seattle 0 |
| Game Three |
Saturday, June 30th, 10:10 p.m. |
| Game Four |
Sunday, July 1st, 4:10 p.m. |
| Records |
| 2012 Head-to-Head Record |
Boston 3-1 (2-0 at Bos; 1-1 at Sea) |
| 2011 Head-to-Head Record |
Boston 5-4 (4-2 at Bos; 1-2 at Sea) |
| 2010 Head-to-Head Record |
Boston 7-3 (2-1 at Bos; 5-2 at Sea) |
| 2009 Head-to-Head Record |
Seattle 4-2 (2-1 at Bos; 2-1 at Sea) |
| Home Record |
Boston 21-21; Seattle 14-22 |
| Away Record |
Boston 20-15; Seattle 19-24 |
| Current Streak |
Boston (W1); Seattle (L1) |
| Record vs. Western Division |
Boston 4-5 |
| Record vs. Eastern Division |
Seattle 3-11 |
| 2012 Meetings |
| 5/14 - Boston, 6-1 (at Bos - WP: Lester; LP: Vargas) |
| 5/15 - Boston, 5-0 (at Bos - WP: Beckett; LP: Beavan) |
| 6/28 - Seattle, 1-0 (at Sea - WP: Fel.Hernandez; LP: Atchison) |
| 6/29 - Boston, 5-0 (at Sea - WP: A.Cook; LP: Noesi) |
| 2011 Meetings |
| 4/29 - Seattle, 5-4 (at Bos - WP: Vargas; LP: Jenks) |
| 4/30 - Seattle, 2-0 (at Bos - WP: Fister; LP: Lackey) |
| 5/01 - Boston, 3-2 (at Bos - WP: Papelbon; LP: J.Wright) |
| 7/22 - Boston, 7-4 (at Bos - WP: Lackey; LP: Fel.Hernandez) |
| 7/23 - Boston, 3-1 (at Bos - WP: Beckett; LP: Beavan) |
| 7/24 - Boston, 12-8 (at Bos - WP: Wakefield; LP: Pineda) |
| 8/12 - Boston, 6-4 (at Sea - WP: Lackey; LP: Beavan) |
| 8/13 - Seattle, 5-4 (at Sea - WP: Fel.Hernandez; LP: Beckett) |
| 8/14 - Seattle, 5-3 (at Sea - WP: Furbush; LP: Wakefield) |
| 2010 Meetings |
| 7/22 - Boston, 8-6 (13) (at Sea - WP: Okajima; LP: Olson) |
| 7/23 - Boston, 2-1 (at Sea - WP: Atchison; LP: Ja.Vargas) |
| 7/24 - Seattle, 5-1 (at Sea - WP: Seddon; LP: Lester) |
| 7/25 - Seattle, 4-2 (at Sea - WP: League; LP: Okajima) |
| 8/23 - Boston, 6-3 (at Bos - WP: Lackey; LP: Fister) |
| 8/24 - Postponed at Boston (Made-up August 25th) |
| 8/25 - Boston, 5-3 (at Bos - WP: Beckett; LP: Pauley) |
| 8/25 - Seattle, 4-2 (at Bos - WP: Fel.Hernandez; LP: Wakefield) |
| 9/13 - Boston, 5-1 (at Sea - WP: Lester; LP: Fister) |
| 9/14 - Boston, 9-6 (at Sea - WP: Ri.Hill; LP: League) |
| 9/15 - Boston, 5-1 (at Sea - WP: C.Buchholz; LP: Pauley) |
| 2009 Meetings |
| 5/15 - Seattle, 5-4 (at Sea - WP: Jakubauskas; LP: Lester) |
| 5/16 - Boston, 5-3 (at Sea - WP: Beckett; LP: Olson) |
| 5/17 - Seattle, 3-2 (at Sea - WP: Aardsma; LP: R.S.Ramirez) |
| 7/03 - Seattle, 7-6 (11) (at Bos - WP: Jakubauskas; LP: R.S.Ramirez) |
| 7/04 - Seattle, 3-2 (at Bos - WP: R.Corcoran; LP: Saito) |
| 7/05 - Boston, 8-4 (at Bos - WP: Masterson; LP: Batista) |
| Boston last five games |
Seattle last five games |
| 6/25 - L vs. Toronto, 6-9 |
6/25 - L vs. Oakland, 0-1 |
| 6/26 - W vs. Toronto, 5-1 |
6/26 - W vs. Oakland, 3-2 |
| 6/27 - W vs. Toronto, 10-4 |
6/27 - L vs. Oakland, 1-2 |
| 6/28 - L at Seattle, 0-1 |
6/28 - W vs. Boston, 1-0 |
| 6/29 - W at Seattle, 5-0 |
6/29 - L vs. Boston, 0-5 |