By Pat Kirwan, CBS SPORTS
PHILADELPHIA, PA - OCTOBER 30: LeSean McCoy #25 of the Philadelphia Eagles extends his body for extra yards while in the grasp of Victor Butler #57 and Jay Ratliff #90 of the Dallas Cowboys at Lincoln Financial Field on October 30, 2011 in Philadelphia, Pennsylvania. The Eagles defeated the Cowboys 34-7. (Photo by Rich Schultz /Getty Images)

Jay Ratliff is one of 9 defensive tackles on the Cowboys roster. (Photo by Rich Schultz /Getty Images)

CBS SPORTS — The NFL Draft, which concluded Saturday, does not solve all roster issues — making this the perfect time to look at each roster and identify what is the most important personnel work still to be done.

For instance, even with the high-profile offensive tackles at the top of this draft, that position remains a question mark for several teams. There is always the hope that a late-round draftee or rookie free agent can emerge during camp to plug a roster leak, but that’s risky. For some teams it is time to re-examine the free-agent market and/or get in the trade business to upgrade a key position.

It’s going to take between $4 million to $5 million of salary cap space for most teams to sign their draft class, which leads to more veterans being released or traded. There are eight to 10 teams, at least, looking to create salary cap space to sign their draft picks.

I found nine teams that didn’t draft for a key position in the first four rounds and might have to reopen the free agent or trade avenues to acquire talent. They all might feel compelled to do so, but they all should be thinking about it.

Atlanta Falcons — offensive tackle: If the Falcons had to play a game today, Lamar Holmes would be the starting right tackle, because Tyson Clabo was released. Holmes has zero NFL starts and has only been active for one. The Falcons did not draft a tackle, and they have less than $3 million of cap space. It would be good if they could re-sign Clabo, or they could to after Chiefs free agent Eric Winston if he lowered his asking price.

Baltimore Ravens — offensive tackle: The Ravens were a much better offensive line last year with Michael Oher at right tackle and Bryant McKinnie on the left side. Right now, Oher is penciled in on the left side, where he struggled, and Jah Reid is the starting right tackle. Last season, in nine games, Reid gave up four penalties and two sacks. While that doesn’t sound bad, it puts Oher in a tough spot at left tackle. Although the Ravens drafted tackle Ricky Wagner from Wisconsin in the fifth round, the champs need McKinnie back to defend their title.

Dallas Cowboys — defensive tackle: The Cowboys are building a new 4-3 defense and they didn’t draft a rookie “3 technique” defensive tackle to build around. Right now, Jay Ratliff and Jason Hatcher are the starting tackles and there are nine DTs on the roster. Ratliff is 32 and the rest are journeymen. The could have drafted Kawann Short or Johnathan Hankins, or even moved up few spots in the first round for Sylvester Williams or Datone Jones. Right now, the free-agent market is not very appealing but maybe there’s a team out there converting to a 3-4 defense with a tackle who doesn’t fit the new scheme. But that’s a long shot.

Detroit Lions — offensive tackle: If the Lions played today, Reilly Reiff would be the left tackle and Corey Hilliard would be the right tackle for a team that throws more than anyone in league. Reiff would survive, but he’s a better right tackle. Hilliard has been around for five years and has five starts, four penalties and five sacks surrendered. The Lions did not draft an offensive tackle and need to use some of their $6.7 million of cap space to get a veteran. Clabo, Winston and McKinnie deserve consideration. Trading for Brandon Albert or even Jason Peters would be an expensive option. In a perfect world, they could convince the Jaguars to trade Eugene Monroe, now that No. 2 overall pick Luke Joeckel is in Jacksonville. But I talked with the Jaguars, and it sounds like they have no intention of trading Monroe. But if I were the Lions, I might keep trying.

Jacksonville Jaguars — quarterback: This is the third coaching staff to work with Blaine Gabbert, and the club did not draft a QB. Tim Tebow is a free agent but he’s not an upgrade from Gabbert — though think it would make things interesting. Since there isn’t even a third QB on the roster, signing a veteran is important issue. An undrafted rookie free agent is nice for camp but not to win the starting job. Is this a spot for Vince Young, Matt Leinart, Ryan Mallett or Brian Hoyer?


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