Before the 2003 season Rodríguez signed with the Florida Marlins . By then a major-league veteran of over a decade, he helped lead the young team to victory in the World Series .  During the 2003 regular season, he set many Marlins single season records for a catcher, such as batting average, at .297, and runs batted in, at 85. On March 31, Rodríguez became the tenth Marlins player ever to hit a home run in the team's first game of the season. On April 8, he set a Marlins single game record by drawing five walks in a game against the New York Mets . He had a nine-game hitting streak from June 24 to July 2, during which he batted .500 with seven doubles, two triples, and four home runs. From June 24 to July 1, he drove in a run in eight consecutive games, another single season record for the Florida Marlins. In the post-season, he was named National League Championship Series Most Valuable Player for the first time in his career. He also closed out the National League Division Series by holding onto the ball during a dramatic game-ending collision at the plate with J. T. Snow in Game Four . He chose not to return to the Marlins following the 2003 season.