MLB tells Oakland Athletics to explore relocation over ballpark concerns - MarketWatch

Oakland A's Fans Want Team to Sell Rather Than Move to Las Vegas - The New York Times

Oakland Ballpark - Wikipedia

Oakland Athletics delay uniform patch deal until MLB relocation decision - San Francisco Business Times

The Oakland A's Say They're Leaving for Las Vegas - WSJ

Oakland A's: Is relocation just an idle threat?

MLB instructs Oakland A's to explore relocation options amid slow progress on Howard Terminal ballpark - Athletics Nation

MLB says Oakland A's can explore new markets, but where would they go?

MLB tells Athletics to explore relocation if no new ballpark