well it's being played in 2020 since they are coming back to Japan there's plenty of actually good non-MLB players who can participate http://m.mlb.com/cutfour/2016/08/03/193447960/photo-of-the-day-2008-olympics-baseball-team-featured-jake-arrieta-stephen-strasburg-and-more I can only assume they had the 2008 Olympics talk that Lebron, Wade, and Bosh did.