Veteran DE Raheem Brock has agreed to one-year deal to return to the Seattle Seahawks, according to league source.

Some men take their wives to dinner for their anniversary. Some give diamonds. Others — and you know who you are — completely forget. Then there’s Seahawks running back Justin Forsett, who wrote a song for his wife, made a video of it with four of his Seattle teammates (including wide receiver Deon Butler) “singing” backup, and presented it to her on the couple’s one-year anniversary.

Remember when Zach Miller was considered a potential draft bargain as a member of the Raiders? Well, it’s time to re-think that status now that he’s signed a huge deal with the Seattle Seahawks.

The Giants gave permission to Tony Agnone, Osi Umenyiora‘s agent, to seek a trade, and league sources said he was in contact with several teams Monday.

The Seahawks plan to sign nine-year veteran DL Ryan Sims, an unrestricted free agent, according to a league source.

Veteran LB Lofa Tatupu will be released by the Seahawks, according to a league source.

Many of the top free agents at defensive tackle are still available, and the market for their services has been slow to form, according to agents and general managers to whom I’ve talked.

Sidney Rice is one of the more talented, young fantasy wideouts in the league. But in Seattle, he’s in danger of disappearing.

Veteran WR Sidney Rice joined the Minnesota-to-Seattle exodus Wednesday, agreeing to a five-year, $41 million deal with the Seahawks, according to a league source.

The Panthers continued their busy Wednesday, agreeing to terms with kicker Olindo Mare on a four-year, $12 million deal, according to a league source. Mare will receive a $4 million signing bonus.

The Seahawks have made a major addition to their offensive line, agreeing to terms with left guard Robert Gallery, according to a league source.

Some whispers on the offensive line front: According to league sources, the Seahawks have expressed significant interest in Raiders guard Robert Gallery, while the Raiders have been negotiating with Ravens tackle Jared Gaither.

The Seahawks and Vikings are deep into bidding for WR Sidney Rice, league sources said Tuesday.

The Seahawks are out of the Kevin Kolb sweepstakes, according to a source. They had reservations about how steep the price would be in trade compensation paid to the Eagles and financial compensation paid to the QB.

As I reported earlier today, QB Matt Hasselbeck isn’t in the Seahawks’ plans, but the Titans have definite interest. A league source said the 49ers and Vikings also are interested in his services.