Go ahead and add another name to the candidacy list to take over the Giants' managerial role after Bruce Bochy announced his retirement. San Francisco reportedly has asked the Houston Astros for permission to speak to Joe Espada according to MLB Network's Jon Heyman. Espada, 44, is currently the bench coach for the Astros with a background including a stint with the New York Yankees as the special assistant to general manager Brian Cashman in 2014 and was later named the team's third-base coach.