The union's breakthrough deal a day earlier with Caesars covers about 10,000 members at the company’s flagship Caesars Palace, as well as Flamingo, Harrah’s, Horseshoe, Paris Las Vegas, Planet Hollywood, Cromwell and Linq. The pact with MGM Resorts covers about 25,000 workers at the Aria, Bellagio, Excalibur, Luxor, Mandalay Bay, MGM Grand, New York-New York and Park MGM.