The Rams hosted tryouts for former Steelers QB Dennis Dixon and former Bengals WR Jerome Simpson on Thursday, according to a league source.

The Chicago Bears agreed to terms on one-year contracts with free-agent CBs Kelvin Hayden and Jonathan Wilhite on Thursday, according to a league source.

Former Patriots center Dan Koppen is visiting the Titans on Thursday, and the team is monitoring other centers as well, according to league sources.

Free-agent CB Chris Carr will sign a one-year contract with the Vikings, a league source said Wednesday.

Free-agent defensive end Dave Tollefson will visit the Titans on Thursday, according to a league source.

Monday’s free agent visits and tryouts, according to league sources.

Free-agent OT Demetrius Bell is visiting the Eagles on Saturday, according to a league source.

The Raiders agreed to terms on a one-year deal with LB ​Philip Wheeler, according to a league source.

Totals as of March 30.

The Lions aren’t interested in CB Asante Samuel, league sources said Thursday.

Free-agent LB Philip Wheeler was visiting the Raiders on Thursday, according to a league source.

Former Giants RB Brandon Jacobs has agreed to terms on a one-year deal with the 49ers, according to a league source.

Saints coach Sean Payton spoke with Bill Parcells on Tuesday about a possible role for the retired coach during Payton’s upcoming one-year suspension, but nothing is imminent, according to a source with knowledge of the situation.

The Saints and head coach Sean Payton are considering several options with their coaching staff for the 2012 season, according to league source, including hiring Bill Parcells on an interim basis.

The Saints said Monday that head coach Sean Payton is on his way to the NFL Annual Meeting.