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08/02/07 3:01 AM ET

Ramirez to open series vs. Red Sox

Seattle (59-47) vs. Boston (65-42), Friday, 7:05 p.m. PT

The Mariners swept the Red Sox earlier this season at Safeco Field. Horacio Ramirez is unbeaten at home this season. Those two combined could add up to a promising start for Seattle against the American League East leaders on Friday.

The Mariners cap a 10-game homestand with a three-game series against the Red Sox, the first of which features Ramirez against Red Sox southpaw Jon Lester. Ramirez struggled against the Red Sox earlier this season, allowing seven runs on 11 hits in just four innings on May 3. It was his only career start against Boston.

That was on the road, though, and this one's at home, where Ramirez has been literally unbeatable all season.

The Mariners' lefty has won every game he's started at Safeco Field this season, all while posting a stifling 2.63 ERA. THe Mariners are 4-2 against Boston this year.

Pitching matchup
SEA: LHP Horacio Ramirez (6-3, 6.52 ERA)
Ramirez pitched well in his last outing, logging yet another quality start this season after holding the A's to three runs on six hits in six innings. Ramirez is 4-1 in his last five starts, and is 2-1 in three starts since coming off the disabled list on July 16.

BOS: LHP Jon Lester (1-0, 4.26 ERA)
Lester has made just two starts this season, posting a 4.26 ERA in 12 2/3 total innings. He allowed four runs on six hits in 6 2/3 innings in his last start, a 12-6 Red Sox win. He picked up his only win of the season on July 23 after holding the Indians to two runs in six innings.

Player to watch
Adrian Beltre is the only Mariners player to have recorded any RBIs against Lester, notching two in his only hit, a double. Collectively, Seattle is 6-for-23 (.261) against the southpaw.

 Buy tickets now to catch the game in person.

On the Internet
 Gameday Audio
•  Gameday
•  Official game notes

On television

On radio
• KOMO, KDOW 1680 (Español)

Up next
• Saturday: Mariners (Jarrod Washburn, 8-7, 4.11) vs. Red Sox (Daisuke Matsuzaka, 12-8, 3.75), 7:05 p.m. PT
• Sunday: Mariners (Miguel Batista, 11-7, 4.23) vs. Red Sox (Curt Schilling, 6-4, 4.20), 1:05 p.m. PT
• Monday: Off-day

Jim Street is a reporter for MLB.com. This story was not subject to the approval of Major League Baseball or its clubs.