The Seattle Mariners took advantage of a down day for the rest of the American League contenders with a 3-1 win against the ...

Luis Castillo allowed a run in seven innings, Josh Naylor hit his first home run for the Mariners and Seattle beat the Athletics 3-1 on Monday night.

Luis Castillo pitched seven strong innings and Josh Naylor smacked his first homer with the Mariners to help Seattle post a 3-1 victory over the Athletics on Monday night in West Sacramento, Calif.