Why MLB's foreign substance issue might not become historic scandal after allWe’re not downplaying the need to clean it up, or pushing back on hitters’ anger about it6/8/2021, 5:20 PMAndy MartinoMLB InsiderMLB commissioner Rob Manfred looks on before game two of the 2019 World Series between the Houston Astros and the Washington Nationals / © Troy Taormina-USA TODAY SportsAstros manager AJ Hinch speaks to the media during the 2019 American League Championship Series. / Troy Taormina-USA TODAY Sports