The Baltimore Orioles hired Schuerholz in 1966 as a result of a letter Schuerholz wrote to team owner Jerold Hoffberger. Schuerholz worked under Frank Cashen, Harry Dalton, and Lou Gorman. In 1969, Major League Baseball expanded to Kansas City. Gorman and Schuerholz left for the Royals. Schuerholz was named general manager of the Royals during the 1981 offseason, and became Major League Baseball's youngest general manager at the time. Schuerholz built a strong relationship with Royals owner Ewing Kauffman, but left the team as it began to struggle. He joined the Braves in 1990, succeeding Bobby Cox who returned to the dugout to manage the team. The duo of Schuerholz and Cox produced an unprecedented run of success for the franchise, highlighted by the 1995 World Series Championship. On October 11, 2007, Schuerholz resigned as the Atlanta Braves general manager, but was promoted to club president, replacing Terry McGuirk. Schuerholz's top assistant Frank Wren was named the general manager. When Schuerholz stepped down as club president in March 2016, his duties were split between Derek Schiller, as president of business, and Mike Plant, as president of development.