HOUSTON (AP) -- Bartolo Colon struck out a season-high nine in seven scoreless innings, and the Oakland Athletics completed a sweep of the Houston Astros with a 6-2 win Sunday.
Oakland s Nate Freiman, who was with the Astros in spring training as a Rule 5 selection, had a double and home run with three RBIs as the A s improved to 9-0 against the Astros this season.
Dating to 2007, Oakland has won 11 straight against Houston, tied for the third longest winning streak against one team in A s history.
Colon (5-2) won his second straight start, scattering nine hits a day after turning 40. He worked seven innings for the second straight start and for the fourth time in 10 starts this season.
The Astros are 14-36 in their first year in the AL, their worst 50-game start in club history.
After leaving runners on third in two of the first three innings, Oakland sent nine batter to the plate in a five-run fourth against Dallas Keuchel (1-2).
Yoenis Cespedes led off by reaching second base on an error by second baseman Jose Altuve that allowed. Josh Donaldson followed with an RBI single up the middle. After Jed Lowrie singled, Seth Smith had a run-scoring double and Freiman made it 4-0 with another double. Crisp added a two-out RBI single.
Freiman made it 6-0 with a home run to center field with one out in the in sixth.
J.D. Martinez had a one-out double off reliever Ryan Cook in the eighth and Chris Carter hit a sacrifice fly to cut it to 6-2 but that was all Houston would get.
Keuchel went six innings, giving up six runs four earned and a season-high nine hits. He struck out four.
Jason Castro had a career-high four hits and went 10 for 12 in the series for Houston. Castro became the first Astros player since Ty Wigginton in 2008 to have three consecutive games of at least three hits.
NOTES: Oakland OF Josh Reddick will begin a rehab assignment Monday at Class-A Stockton, A s manager Bob Melvin said. Reddick has been on the disabled list since May 8 with a sprained right wrist. . Lowrie started at second base Sunday after being out of the starting lineup the previous three games after being hit by a pitch on his right foot Tuesday. . Houston RHP Bud Norris will take the mound Monday against Colorado RHP Jhoulys Chacin. Norris has left each of his last two starts with back spasms. . Oakland will send RHP Dan Straily to the mound Monday to begin the Bay Area Series against the San Francisco Giants, who will counter with LHP Madison Bumgarner. AP-WF-05-26-13 2208GMT