Miami Marlins manager Mike Redmond has no explanation for why his club has played so well at home and struggled so much on the road this season.Miami Marlins' Casey McGehee hits an RBI single off San Francisco Giants relief pitcher Santiago Casilla in the ninth inning of a baseball game Friday, May 16, 2014, in San Francisco. Miam won the game 7-5.San Francisco Giants' Pablo Sandoval hits an RBI double off Miami Marlins starting pitcher Henderson Alvarez as Marlins catcher Jarrod Saltalamacchia watches during the first inning of a baseball game Friday, May 16, 2014, in San Francisco.San Francisco Giants' Angel Pagan, right, beats the throw to Miami Marlins catcher Jarrod Saltalamacchia, left, to score the Giants' fourth run in the fifth inning of a baseball game Friday, May 16, 2014, in San Francisco. Pagan scored from third on a sacrifice fly hit by the Giants' Buster Posey.Miami Marlins' Derek Dietrich, second from right, is greeted by teammate Christian Yelich, left, after hitting a home run off San Francisco Giants starting pitcher Yusmeiro Petit in the third inning of a baseball game Friday, May 16, 2014, in San Francisco. In the background are Marlins' Giancarlo Stanton (27)...