The Chargers signed running back Marcus Thomas and offensive tackle Corey Clark to four-year contracts yesterday.

Thomas, a 6-foot, 215-pound fifth-round pick, rushed for 1,166 yards and 16 touchdowns as a senior at Texas-El Paso. Clark (6-6, 315) was a three-year starter at Texas A&M. He was taken in the seventh round.

The Chargers still have three draft picks unsigned – first-rounder Antoine Cason, third-rounder Jacob Hester and sixth-rounder DeJuan Tribble.

Around the league

 BROWNS: Wide receiver Joe Jurevicius had his second knee surgery since January on Monday, a procedure that could prevent him from reporting to training camp on time. Jurevicius had swelling and discomfort in his knee related to his first operation, and the club said in a statement released yesterday that he had a further “clean out” on Monday to help him recover.

 BILLS: Offensive lineman Demetrius Bell, the first of the Bills' three seventh-round picks and estranged son of former NBA star Karl Malone, signed with Buffalo. Selected 219th overall out of Louisiana's Northwestern State in the draft in April, Bell started 22 consecutive games over his final two college seasons. He is considered a work-in-progress with the Bills after he got a late start in football . . . Released rookie fullback Mike Viti, who signed with the team as an undrafted free agent out of Army in April.

 PATRIOTS: Released defensive back Willie Andrews, one day after he was arrested for allegedly pointing a handgun at his girlfriend's head. The 24-year-old Andrews, primarily a special teams player, was being held without bail pending a dangerousness hearing tomorrow following his second arrest this year.

 BEARS: Signed defensive tackle Marcus Harrison to a four-year contract and agreed to four-year deals with wide receiver Earl Bennett and cornerback Zack Bowman. Chicago has now signed or agreed to terms with a league-high 10 of its 12 draft picks, first-rounder Chris Williams and second-rounder Matt Forte being the exceptions.