A.J. Burnett, who will be a free agent when the season ends, lost his sixth consecutive decision and declared himself done with the club, ripping management in the process. The defeat, in which Burnett lost a 3-0 lead, capped a 1-5 road trip that left the Marlins five games behind Houston in the wild-card race. Florida, which returns home tonight to face Washington, has only six games left. Sunday, the quiet of the post-game clubhouse was pierced with profanities screamed from behind a closed door to the manager's office by third-base coach Jeff Cox. A few minutes later, a crash could be heard echoing from the shower room where Burnett had gone. He emerged from shower and gave Cox a hard stare as they walked past each other. Then Burnett walked to his locker and let loose to reporters. "We play scared. We manage scared. We coach scared and I'm sick of it. It's depressing around here," said Burnett, whose record fell to 12-12. "It's like they expect us to mess up, and when we do they chew us out. There's no positive nothing around here for anybody."