This certainly wasn't where Rex Ryan hoped to be.

After all his talk of winning the AFC East and playing at home in the playoffs, reality has set in.

"Our playoffs start right now," said Ryan, whose team's chances of reaching the postseason are tenuous at best after Thursday night's 17-13 loss to the Broncos, which left the Jets at 5-5. "We have to beat Buffalo. I don't see any breathing room. We've already used that up."

Ryan said "every area" of his team has issues that need to be fixed. He added that changes are on the horizon but wouldn't give specifics.

"Are we going to change a few things? Yes, I think we need to. I think we really need to look, study some things," said Ryan, whose team is at a head-to-head tiebreaker disadvantage against the Patriots, Broncos, Ravens and Raiders because of the five losses. "I won't get into the particulars, but I think we really do, and also learn from our past, how we did things, and really try to look at that and try to get better."

Thursday night's loss shined a spotlight on the inconsistencies plaguing each unit -- the porous pass protection, the fumbles on special teams, the missed tackles and the occasional ill-advised throw by Mark Sanchez.

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"It was obviously a huge, huge loss for us," said Ryan, whose defense couldn't prevent the Broncos from driving 95 yards for the go-ahead score.

Ryan said he'd like a do-over on the all-out blitz call on the play in which Tebow -- facing third-and-4 -- took off around left end for the winning 20-yard touchdown.

"Hindsight being 20-20, obviously, we would've done something, anything but that," Ryan said. " . . . I even told the defense before [the play], this kid is not going to take the ball out of his hand. He is going to keep it in his hand, and that's exactly what he did. He ended up just making a great play. None of us saw it coming."

With a little bit of luck, the Jets reached the playoffs at 9-7 in 2009 after losing six of seven to fall to 4-6. With six games left, the Jets (5-5) again have the opportunity to shock the world. But not if they don't play better, Ryan said.

"I didn't think that we'd have maybe as many issues right now, but every year we go through it," he said. " . . . I believe that we will work through this and we'll become more consistent. When we eliminate the mistakes, I think we're going to have an excellent football team. But again, there's plenty of work to do. We understand that and I think that also gives me reason to believe that we can change."

No Greene update.Ryan had no update on the status of running back Shonn Greene, who left the game in the first quarter after taking a knee to the ribs. Greene said after the game that X-rays were negative, but Ryan couldn't elaborate on the extent of the injury. Without LaDainian Tomlinson (knee), the Jets were forced to use Joe McKnight (59 yards on 16 carries) and rookie Bilal Powell, who collected 11 yards on seven carries in his first NFL game.