Oakland Raiders: Five things we learned from Rams win

August 14, 2015; Oakland, CA, USA; St. Louis Rams wide receiver Tavon Austin (11) runs with the football against Oakland Raiders linebacker Curtis Lofton (50) during the first quarter in a preseason NFL football game at O.co Coliseum. Mandatory Credit: Kyle Terada-USA TODAY Sports

4. The secondary looks flawed

The position group that has drawn the most questions and concerns from media and fans alike is the Raider secondary, where the entire combined cornerback depth has played fewer NFL games than Charles Woodson, and the rest of the safeties haven’t really played that much longer.

With Charles Woodson and his veteran leadership on the sideline, the Raider secondary showed it’s youth and inexperience. While second-year cornerback TJ Carrie showed that he likely has what it takes to be a steady starting corner, former 1st round pick DJ Hayden blew an assignment early and struggled in his brief time on the field. Last year’s 4th-round pick Keith McGill also had some flaws in his game playing against the Rams second unit.

The safety play was somewhat better, even without Woodson, though Nate Allen is clearly not going to be the strong point of the Raider defense for 2015. The development of this secondary unit throughout preseason is a must watch, since this could very well be the Raiders’ Achilles heel for the regular season if this group does not clean its’ act up quickly.

Next: What We Learned: Let's Not Get Ahead of Ourselves