The Celtics finished off the franchise’s first 6-0 road trip on Monday night with a 117-103 win at Memphis. That win — Boston’s eighth straight on the road overall — pushed the Celtics’ away record to 32-7, two wins shy of tying Golden State for the NBA single-season road mark. The Warriors were 34-7 away from home in the 2015-16 season. Boston’s two remaining road games are April 8 at New York and April 9 at Orlando. It led to Celtics coach Joe Mazzulla being asked a simple question after the Memphis win: “Why are you guys so good on the road?” Mazzulla did not hesitate before answering. “I would venture to say that our guys are good everywhere,” he said.