As of this posting it's Michael Vick with a rating of 108.7
98.6 quarterback rating.
Tom Brady with a rating of 111.
Drew Brees
Aron roger
Tom Brady
Matt Ryan
In 2009, Eli Manning had a 93.1 quarterback rating.
The NFL has a way of measuring the performance of a quarterback with something called a passer rating. The highest career passer rating is 96.8 by Steve Young. Click on the 'Passer Rating' link below to see how it is figured.
For the NFL, a perfect quarterback rating is 158.3. In college football, it's 1261.6
The best quarterback of the 2009-2010 NFL season was Drew Brees of the New Oleans Saints. He led them to their first super bowl victory, and held the best quarter back rating and led touchdowns for the season as well.
Aaron Rodgers
Thru week 8 of the 2008 season (not counting the 10/27/2008 MNF game), San Diego Chargers quarterback Philip Rivers has the highest passer rating in the league. His current rating is 107.8. He is followed in the passer rating standings by Tony Romo (Cowboys) - 103.5 and Kurt Warner (Cardinals) - 102.1.