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Brees, Peyton Manning, and Brady set the bar awfully high.
But as far as being next level, Rivers, Eli Manning, Romo, Aaron Rodgers and three or four others, Hasselbeck was in that category in 2007. He had 4000 yards and 28 TDs vs 12 picks, without much of a running game.
I don't say he's a dominant QB, but the #5-10 QB's in the NFL can certainly take over games...