BALTIMORE -- Coco Crisp hit a tiebreaking home run leading off the ninth inning and Jarrod Parker earned his eighth straight win as the Oakland Athletics beat the Baltimore Orioles 2-1 Saturday.
After Parker and Chris Tillman waged a magnificent pitching duel for eight innings, Crisp connected on a 3-1 pitch from Darren O'Day (5-3). It was the third home run in three games for Crisp, who had four hits on Friday night.
Parker (10-6) gave up one run, five hits and three walks to improve to 8-0 in 16 starts since May 22. The right-hander threw 117 pitches and worked out of jams in the sixth and eighth innings.
Grant Balfour got three straight outs for his 32nd save.
Kurt Suzuki doubled and scored a run in his first game back with Oakland after being traded from Washington on Friday. The victory broke a three-game skid for the A's, who improved to 16-17 since the All-Star break.
Tillman allowed one run, three hits and two walks but remained winless since Aug. 2. His nine strikeouts tied a career high, set earlier this month in San Francisco.
Ryan Flaherty homered for the Orioles, who have lost seven of 11.
Parker retired the first seven batters he faced before Flaherty hit his first home run since Aug. 2. Six of his eight homers have been solo shots.
Oakland didn't get its first hit until Jed Lowrie singled with one out in the fourth.
Tillman didn't allow another baserunner until Suzuki doubled to left with one out in the sixth. He advanced on a groundout and scored on double by Lowrie.
Manny Machado began the Baltimore sixth with his major league-leading 44th double. With two outs and runners at the corners, Nick Markakis hit an opposite-field fly to left that was caught on the warning track.
The Orioles got runners at first and third with two outs in the eighth before Matt Wieters grounded out to shortstop.
NOTES: Twelve of Crisp's 13 home runs have been solo shots, and nine have put the A's ahead. ... Athletics RHP Bartolo Colon (strained left groin) will throw a bullpen session Monday when the team goes to Detroit. Colon was placed on the 15-day disabled list Aug. 17 when he hurt himself throwing on flat ground. ... Scott Feldman (3-3) makes his ninth start for Baltimore in the series finale Sunday. Sonny Gray will pitch for the A's. He has allowed four hits or fewer in each of his first three career starts.