Kurtz, Butler power A’s past Red Sox 5-4, end Chapman’s hitless streak of 50 batters, 17 appearances

Nick Kurtz joined Jose Canseco and Mark McGwire as the only Athletics rookies to hit 30 home runs and Lawrence Butler hit a ninth-inning walk-off single in a 5-4 win over the Boston Red Sox and Aroldis Chapman, whose seven-week hitless streak ended