Inside baseball's effort to save 2020 MLB season with Arizona plan: 'It's this or nothing'A small group of industry insiders have been working 18-hour days assembling a plan for MLB to play its season in Arizona4/7/2020, 5:29 PMAndy MartinoMLB InsiderApr 21, 2018; Phoenix, AZ, USA; A general view of game action between the Arizona Diamondbacks and the San Diego Padres during the fifth inning at Chase Field. / Joe Camporeale/USA TODAY Sports