Miami Marlins manager Mike Redmond likes what instant replay has done for baseball so far. He would just like to see it expanded a bit more.San Francisco Giants' Buster Posey hits a two RBI double against the Miami Marlins during the fifth inning of a baseball game, Thursday, May 15, 2014, in San Francisco.Miami Marlins' Garrett Jones rounds third base after hitting a two run homer against the San Francisco Giants during the second inning of a baseball game, Thursday, May 15, 2014, in San Francisco.San Francisco Giants' Michael Morse celebrates in the dugout after hitting a two-run home run against the Miami Marlins during the third inning of a baseball game, Thursday, May 15, 2014, in San Francisco.San Francisco Giants' Hunter Pence is greeted in the dugout after scoring against the Miami Marlins during the fifth inning of a baseball game, Thursday, May 15, 2014, in San Francisco.