A playoff berth tantalizingly close, the Houston Astros sent their ace to the mound seeking his 20th victory. Dallas Keuchel became the AL's first 20-game winner and the Astros routed the Arizona Diamondbacks 21-5 Friday night. ''I don't want to play the National League style at the end of the season because I want the DH,'' he said, ''but this game is crazy. More...