Fredi Gonzalez was fired as manager of the Marlins on Wednesday, with the team owner saying ?we can do better and be better.? The Marlins are 34-36 following a win over Baltimore on Tuesday night. Florida began the day in fourth place in the NL East, 7 1/2 games behind first-place Atlanta. Edwin Rodriguez, who has spent the past 1 1/2 seasons as manager of Triple-A New Orleans, takes over as manager on an interim basis, according to an Associated Press report.