Lopez left the Double-A Mobile BayBears on Wednesday with the intention of quitting baseball, Nick Piecoro of the Arizona Republic reports.
Lopez, who defected from Cuba, has been dealing with personal issues since arriving in the United States. Last season, he left his team for a while before they tracked him down. Diamondbacks general manager Dave Stewart said he talked to Lopez this week to try and convince him to hold off on a decision about quitting baseball. "We're trying to get him back on track," Stewart said. "Emotionally, he just has not smoothed out."