Free-agent RB Larry Johnson has visits scheduled with the Redskins and Raiders this week, according to a league source.

The Redskins have signed free-agent NT Maake Kemoeatu, the team announced Wednesday. Terms of the deals weren’t disclosed.

Warrick Dunn is still a popular guy among NFL players, although the recently retired running back is part of a group of folks whose views on the league’s problematic labor issues are quite contrary to theirs. He was a player not long ago and was very much on that side of things. Not anymore.

The Sooners’ prospects weren’t the only ones being watched on Tuesday. Central Oklahoma had its time, too.

The Cardinals and DB Matt Ware have agreed on a multiyear deal, according to a league source.

There’s still a “very good” chance that veteran WR Derrick Mason will re-sign with the Ravens, according to a source with knowledge of the situation.

Oklahoma State CB Perrish Cox will hold a private workout for NFL scouts on March 30 in Waco, Texas at Waco High School.

It doesn’t sound as if the Cardinals are ready to hand the starting QB job to Matt Leinart.

Brandon Crawford and Tristan Cork could remember the FieldTurf in Muncie, Ind. forever if one team should take a chance and hire them before the start of the 2010 NFL season. The midwestern town, home to Ball State University, hosted Crawford and Cook — along with 11 other NFL hopefuls — for pro day workouts on Tuesday.

The first running back plucked off the free-agent market this offseason also belonged to the Bears in Chester Taylor, who always seems to be under the radar.

Indiana University of Pennsylvania defensive back Akwasi Owusu-Ansah, who was a top performer in two events at the NFL Scouting Combine, was supposed to run at the school’s pro day on Tuesday but decided instead to run at Ohio State’s Pro Day on Saturday, March 13.

Six seniors at Auburn University worked out indoors on FieldTurf for scouts from 28 NFL teams.

San Francisco veteran LB Takeo Spikes joined NFL.com for a live chat, offering his insights on a number of 49ers-related topics, including winning the NFC West next season, playing next to Patrick Willis, the future of Michael Crabtree and the team’s strategy in the first round of the upcoming draft.

The Dolphins announced Tuesday that they have re-signed veteran NT Jason Ferguson, but they didn’t release any terms of the contract.

The addition of Thomas Jones in Kansas City makes Jamaal Charles a slightly less attractive option in 2010 fantasy drafts.