Dallas Cowboys sign former Charger Igor Olshansky.
More on the Cowboys signings of Jon Kitna and Keith Brooking
The Dallas Cowboys have traded for Detroit Lions QB Jon Kitna giving up CB Anthony Henry.
Previous Tiers: Tier 1 – Tier 2 - Tier 3
The Tier 4 Quarterbacks are all solid choices with great upside. Any one of these guys could have a huge, Top Ten-QB season this year. The trick will...