Seth Smith, Brandon Moss power Oakland Athletics over Houston Astros 8 (UPI) -- Seth Smith smacked a three-run homer and Brandon Moss added three hits with two RBI Sunday in the Oakland Athletics' 7-2 victory over Houston. Smith's blast highlighted a seven-run third inning that boosted the American League West-leading A's to a third straight win over the Astros and an eighth victory in 10 games overall. Daric Barton and Yoenis Cespedes chipped in an RBI each for the winners. Bartolo Colon (15-6) allowed one run over six innings to gain the decision, yielding five hits while striking out seven. Houston's Lucas Harrell (6-16) was roughed up for seven runs and seven hits, lasting just three innings. Brandon Barnes and Jose Altuve provided RBI for the Astros.