ANAHEIM, Calif. (AP) – Manny Ramirez drove in the go-ahead run on a groundout with the bases loaded in the 10th inning, leading the Boston Red Sox to a 4-3 victory over the Los Angeles Angels in a matchup of AL division leaders on Friday night.

Gabe Kapler and Johnny Damon opened the 10th with singles against Scot Shields (8-9). Roberto Petagine, who replaced David Ortiz as designated hitter when he was ejected in the eighth inning, walked to load the bases. Ramirez hit a slow bouncer to third baseman Chone Figgins, whose only play was to first base.

Curt Schilling (5-5) pitched two perfect innings for the victory, striking out four.

The Red Sox blew a 3-1 lead they had nursed since the fifth.

Bengie Molina lined a 3-2 pitch from Mike Timlin into left field with two outs in the eighth, scoring Orlando Cabrera and Vladimir Guerrero, who had both singled and advanced on a double steal without a throw.

Boston starter Matt Clement gave up one run and six hits in seven innings, struck out five and walked one.

Ortiz, who was 0-for-4 with a walk, was ejected by umpire Bill Welke for arguing a called third strike that ended the eighth inning. He had to be restrained by manager Terry Francona and coaches Ron Jackson, Lynn Jones and Dale Sveum.

Los Angeles starter John Lackey allowed three runs and nine hits in six innings, struck out six and walked five.

The Red Sox evened the four-game series after losing Thursday’s opener 13-4. They remained four games ahead of the New York Yankees in the AL East.

The Angels’ lead in the AL West dropped to 11/2 games over Oakland, which beat Kansas City 4-0. Boston took a 1-0 lead in the second when Bill Mueller singled and scored on Damon’s RBI groundout to first. Starting in place of struggling Kevin Millar, John Olerud extended Boston’s lead to 3-0 in the fifth with a two-run double. Ramirez, who doubled and took third on Lackey’s wild pitch, and Jason Varitek, who walked and got under Molina’s tag at the plate, scored.

The Angels made it 3-1 in the fifth. Casey Kotchman led off with a double, took third on a groundout and scored when first baseman Olerud fielded Steve Finley’s grounder and tried in vain to make the play at the plate.

Notes: Boston RHP Tim Wakefield has a deep contusion of the right lower shin area after getting hit by a comebacker Thursday night. “We’ll see how he bounces back,” Francona said, adding that Wakefield could be moved back if he can’t make his next scheduled start Tuesday at Kansas City. … Damon went 4-for-6. … Lackey hasn’t allowed a home run in 59 innings, the longest current streak in the majors. He has at least six strikeouts in each of his last 14 starts.

AP-ES-08-20-05 0156EDT