OAKLAND (AP) — Josh Donaldson had three hits, including a two-run homer in the sixth inning, and the Oakland Athletics beat the Houston Astros 7-5 on Friday night to move into first in the AL West.Jed Lowrie added two hits and two RBIs for Oakland, which has won six of eight. Yoenis Cespedes and Nate Freiman had two hits apiece.The A’s grabbed a half-game lead over the Rangers, who lost 6-5 at the Los Angeles Angels.A.J. Griffin (13-9) gave up four runs over six innings but matched his career high of nine strikeouts to win his third straight decision.Matt Dominguez drove in a pair of runs for Houston after sitting out the past three games with a sinus infection.The A’s trailed 3-1 and 4-3 before scoring twice in the fourth on Lowrie’s RBI single and a groundout by Cespedes.Donaldson doubled and scored in the third, and then singled and scored in the fourth. But his big blow came in the sixth, a towering drive to center against reliever Phil Humber that gave Oakland a 7-4 lead.Eight of the A’s nine starters had at least one hit, and five different players drove in runs.Sean Doolittle and Ryan Cook combined to retire six batters, and Grant Balfour worked the ninth for his 37th save.The Astros, who had won three of the previous four games in the season series, got the tying run on base in the ninth after an error by second baseman Eric Sogard allowed Jonathan Villar to score.Balfour got Jason Castro to ground into a fielder’s choice, and then fanned Dominguez to end the game.It was an appropriate end to the back-and-forth contest.Houston scored three times in the third to open a 3-1 lead.