Free agency in the East: Centers

Leaving no position unturned, we continue our look at potential four-year unrestricted free agency and the way it could play out in the NFC East. This afternoon we look at the center position, which seems set in Philadelphia with Jamaal Jackson, set in Dallas for now with Andre Gurode and perhaps in the future thanks to some later-round 2011 draft picks, but potentially up in the air in Washington and New York.

NFC East teams in need

Redskins: There is still Casey Rabach in the middle, but the Redskins' interior offensive line is a muddle. They could let Rabach go and move Will Montgomery or even Kory Lichtensteiger to center. They could stick with Rabach for another year and see what develops at guard on either side of him. Or they could go out and get a replacement for Rabach, who was something of a disappointment in 2010.

Giants: This isn't a real "need," but give me a break. I can't just put one team here. Shaun O'Hara remains one of the best in the business when healthy, but he wasn't healthy last season and is no sure bet to be fully healthy in 2011. The Giants were able to cover the injury thanks to the versatility of Rich Seubert, but O'Hara did just turn 34, and the Giants might soon be looking to their future at that position.

Top five potential free-agent centers

1. Olin Kreutz. His age (34) and the legendarily poor performance by the Bears' offensive line in 2010 work against Kreutz on the open market, but he's still a durable and effective run blocker who can help someone. He doesn't, however, look like a fit in Washington or New York, where they're likely seeking longer-term solutions if any.

2. Chris Spencer. A former first-round pick who started all 16 games for the Seahawks in 2010, Spencer is not yet 30 and is a solid option at the position for now and the near future.

3. Lyle Sendlein. The Cardinals will make it a priority to re-sign their emerging 27-year-old offensive line mainstay.

4. Samson Satele. Another young talent who becomes unrestricted if the threshold moves back to four years. He's been a reliable starter for Oakland the past two seasons and could draw open-market interest.

5. Casey Wiegmann. He's as reliable as anybody on this list, but he's also 38 and more likely to go back with Kansas City than he is to generate any free-agent market buzz.

Predictions that mean nothing: Redskins dabble with Spencer but ultimately commit money elsewhere (most likely defense) and give their line a year to shake out. The Giants do nothing, confident that they have good potential replacements in Seubert and Adam Koets and that they're better off addressing long-term offensive line needs at tackle if at all.