NFL Nation previews the 2013 scouting combine by identifying the most important thing for each team to learn about its greatest area of need.

Baltimore Ravens: Days after the Ravens won the Super Bowl, general manager Ozzie Newsome pointed to the middle of the defense as the team's biggest need. Inside linebacker is the popular choice as the Ravens' biggest void, considering the retirement of Ray Lewis and the uncertainty with Jameel McClain (spinal cord contusion). That's why LSU's Kevin Minter has been linked to Baltimore. But Newsome was also talking about defensive tackle and safety. Nose tackle Ma'ake Kemoeatu was average at best, and backup Terrence Cody has been a disappointment. Safety could end up being the Ravens' biggest need if they are unable to re-sign Ed Reed. There always seems to be good value at that position at the bottom of the first round.

Cincinnati Bengals: Strong safety is the biggest area of concern for the Bengals. Actually, it's been a need for the past two years, but the Bengals essentially ignored it last offseason. The hope was for Taylor Mays to take over that spot. When that didn't work out, Cincinnati tried to convert cornerback Nate Clements to safety. When that didn't work out, the Bengals brought back Chris Crocker, who is merely a stopgap player. Texas' Kenny Vaccaro makes a lot of sense for the Bengals at the No. 21 pick. Florida's Matt Elam is another highly-rated prospect at safety who could start immediately. The Bengals also need to add more youth at linebacker and speed at running back.

Cleveland Browns: The hope is for the Browns to address one of their top needs -- outside linebacker and cornerback -- with the No. 6 overall pick. That means keeping their fingers crossed that either Georgia linebacker Jarvis Jones or Alabama cornerback Dee Milliner will fall out of the top five. Jones and Milliner are the top prospects at their positions. The Browns are transitioning to a 3-4 defense under new coordinator Ray Horton and need to find versatile outside linebackers. Cleveland won't find a better one than Jones, who is an elite playmaker off the edge. Under Horton, the Browns are expected to blitz more, which puts more pressure on the cornerbacks. The Browns could play that style if they pair Milliner with Joe Haden.

Pittsburgh Steelers: As I addressed at length Tuesday, the Steelers need to find a way to come away with a feature running back in this draft. The biggest need on defense is at linebacker. There's a chance the Steelers could return all four starters from last season: LaMarr Woodley and James Harrison on the outside and Lawrence Timmons and Larry Foote on the inside. If Pittsburgh is able to do this, and it could take a pay cut from Harrison, no one expects this to be the starting group in 2014. Foote would be 34 by the start of 2014, and Harrison would be nearing Ray Lewis territory at 36. It would be solid forward thinking to take a linebacker with the No. 17 overall pick. Could the Steelers be the team to take Notre Dame's Manti Te'o? His showing the combine (on the field and in interviews) could determine whether or not he slips out of the top half of the first round.