Something I posted elsewhere, but it fits here as my take on this matchup:
First, some observations. The Colts run D has recently got very stingy, but they were scheming against the run, and it has been working. McFadden, MJD, C Johnson all pretty much shut down in recent weeks. For the most part, those are run oriented teams with QB's that are hardly pro bowlers. That sounds like the Jets too. It wasn't until old man Collins started to pass the ball that TN did anything against the Colts. Why run against a team that is scheming against the run and has a completely decimated defensive backfield?
The Colts' rushing game is also somewhat rejuvinated, but agianst some fair to poor teams. Addai returns and he is no small contributor to that Colts' offense. The Jets run defense is far superior to those of the Colts' recent opponents. Addai is a mismatch because the Jets' LB's are not very good in coverage. With Jim Leonard done for the season, the Jets are weak in terms of safeties. The weakest link in the Jets D is the over the middle passing game. Blair White and Tamme. Can the Colts run on this defense? Probably not, at least not effectively, but screens and pass plays to RB's could work well.
What the Jets Need to do:
What they should NOT do is what the Colts' last three opponents tried to do, run against 8 or even 9 in the box, or at least cheating up. What they should do is come out with short drops and passes over the middle behind the LB's. Once the safeties cheat up, go deep in one on one matchups of Holmes and Edwards against the Colts' CB's. Try to soften the run defense, get a lead by using play fakes early and attacking the Colts' defense's biggest weakness. THEN go to the run and ball control. Use the pass to set up the run. Running on first and second down will result in some 3 and outs. The Colts will be loaded to stop the run.
Find a way to make Tamme and White pay for going over the middle. Not illegal hits, but big ones. The Jets can likely rely on Cromartie on Garcon and Revis on Walker to prevent the big play down the sidelines. The Jets also need to find a pass rush that works against Manning, but that is frankly unlikey to happen. Addai could have a big game with short passes. The Jets LB's are good run stoppers, but not good in coverage or in outside persuit.
What he Colts need to do:
Attack the middle of the Jets defense. Addai, Tamme and White over the middle. Attack the outside of the Jets defense with outlet passes and runs. The Jets' LB's are not fast, and have trouble with outside contain. Almost forget about Wayne and Garcon early. Use the short game first, look for home runs later. Don't get fooled into thinking they can run behind the tackles other than to keep the Jets defense honest. Get a lead, force the Jets to throw and let loose the dogs, Mathis and Freeney.
Load up against the run, which the Jets will likely stubbornly try to use right from the first drive with their ground and pound mentality. Force Sanchez to throw. This should result in some early 3 and outs when the Colts stop the run. By that time, Manning and the Colts have a lead, and they can begin to dictate the game.
Summary:
I think the Jets will not attack the Colts' weaknesses, and will instead try to force the issue, sticking with trying to run against a defense that is ready to defend it. You can only keep the ball away from Manning if you are getting first downs. The Jets have to either have confidence in Sanchez to throw the ball early or lose. If the Jets cannot or refuse to attack a playoff team's most glaring weakeness they should just stay home and mail it in.
Manning will find ways to get the ball to Tamme and White. If the Jets don't make big hits on those completions over the middle, Manning will pick them apart with time consuming drives. It will be the Jets defense that gets tired, not the Colts.
No more training wheels for Sanchez. If he can't throw against the Colts' DB's or the Jets stick with a running the ball on every first down, play not to lose approach.... the game turns on this one aspect IMO. Greene will get his carries, but if the Jets are one dimensional on offense, I don't think they will win.