BALTIMORE – Rookie Zach Britton allowed one run in six innings to earn his fourth win, Derrek Lee had two hits and scored twice, and the Baltimore Orioles beat the Red Sox 4-1 Tuesday night to end Boston's five-game winning streak.
Adam Jones drove in two runs for the Orioles, who won for only the third time in 14 games, and Vladimir Guerrero had his first three-hit game since coming to Baltimore as a free agent during the offseason.
Britton (4-1) became the first rookie starter in franchise history to win four games in April. The left-hander has accounted for nearly half of Baltimore's nine victories this year.
Britton gave up five hits, walked two and struck out two in his fifth career start, all this year. It was the third time he permitted one run or fewer.
Boston starter Clay Buchholz (1-3) yielded four runs and 12 hits in 6 2-3 innings, his longest outing of the year.
Kevin Youkilis drove in the lone run for the Red Sox, who managed only six hits. Boston had won eight of nine and was vying to reach .500 for the first time this season.
Baltimore ended Boston's run of 19 straight scoreless innings while taking a 1-0 lead in the second. Luke Scott singled, took third on a one-out double by Mark Reynolds and scored when Matt Wieters' bouncer hit first base for a single. Buchholz then struck out Robert Andino and Brian Roberts.
The Orioles used two singles, a walk and a sacrifice fly by Jones to go up 2-0 in the third.
Boston closed to 2-1 in the fourth when Dustin Pedroia singled, advanced on a groundout, stole third and scored on a fly ball by Youkilis.
The Red Sox loaded the bases with two outs in the fifth before Adrian Gonzalez grounded into a fielder's choice.
In the bottom half, Lee and Guerrero singled before Jones hit a run-scoring fly to center.
Reynolds chased Buchholz with a sacrifice fly in the seventh.
NOTES: Wieters was 7 for 7 with 11 RBIs with runners in scoring position before grounding out with two on in the seventh. ... Boston starters have a 1.33 ERA over the last 10 games. ... Roberts extended his hitting streak to 12 games with a sixth-inning single. ... Buchholz was 5-2 lifetime against Baltimore and 3-0 in his previous three starts at Camden Yards.