Seattle Mariners Logan Morrison heads back to his position during the eighth inning of their 15-1 loss to the Boston Red Sox in a baseball game at Fenway Park in Boston Friday, Aug. 14, 2015.(AP Photo/Winslow Townson)

Red Sox demolish Mariners at Fenway

Nelson Cruz went hitless in three at-bats, halting his 21-game hitting streak. It had tied Troy Tulowitzki for the major’s longest this seas…