A-Rod has definitely come on strong in the last month and playoffs but Jeter is still the guy to be feared in the clutch. Add Matsui, Mussina and Rivera as clutch.
Having said all that, this is the year for the Sox. I don't think this team is under the same pressure cause they are a lot looser - to paraphrase Damon - just a bunch of idiots with bad haircuts.
As an example, Manny will definitely make one bonehead play, but will make two great plays to overcome it.