 When coveted Baltimore Orioles general manager Harry Dalton became available after the 1971 World Series, Autry fired Walsh and hired Dalton.The firing ended Walsh's baseball career.In 1974, he became executive director of the Los Angeles Convention Center and held the post for nearly 24 years, a period during which Los Angeles hosted the 1984 Summer Olympics and began planning the construction of another state-of-the-art venue, the Staples Center; the Convention Center oversaw two expansion projects during Walsh's tenure