With Weatherspoon out, the Falcons will start undrafted rookie Joplo Bartu, who played 63 snaps Sunday against the St. Louis Rams. Veterans Jamar Chaney and Omar Gaither were signed to improve depth.
---Running back Bernard Scott was waived from the reserve/physically unable to perform list by the Cincinnati Bengals.
Scott would have been the fifth running back on the roster, behind rookie sixth-round pick Rex Burkhead, Cedric Peerman, BenJarvus Green-Ellis and rookie second-round pick Giovani Bernard, who scored two touchdowns Monday against the Pittsburgh Steelers.
An experienced kick returner and third-down back, Scott was recovering from a torn ACL. He was ineligible to be activated until Week 7 from the PUP list.
---Free safety Charles Godfrey was placed on injured reserve with the torn Achilles' tendon that he suffered in the Carolina Panthers' loss at the Buffalo Bills on Sunday.
The Panthers signed safety Robert Lester off the practice squad to fill Godrey's roster spot. Lester was signed as an undrafted rookie out of Alabama in May and joined the practice squad after being waived during Carolina's final roster cuts out of the preseason.
Godfrey is expected to be replaced in the starting lineup by D.J. Moore or Colin Jones.
---Tight end Heath Miller is expected to participate in Pittsburgh Steelers practice this week, coach Mike Tomlin said Tuesday.
Miller is recovering from reconstructive knee surgery and did not play in the preseason. He tore all three ligaments in his knee (ACL, MCL, PCL) and had surgery in January. Miller led the Steelers with 71 receptions in 2012 before his Week 15 injury, but Tomlin said Tuesday that no one should expect Miller to "step out of the a phone booth wearing a cape."
The Steelers also expect rookie running back Le'Veon Bell to increase his activity. Bell is unlikely to play Sunday night against the Bears but is progressing from a foot injury.
---The San Diego Chargers signed free agent cornerback Crezdon Butler on Tuesday, the team announced.
To clear roster space for Butler, the Chargers waived defensive end Drake Nevis.
Butler, 26, joins his fifth team in four seasons. He has played in 11 games but never started during his NFL career. He was released at the end of training camp by the Buffalo Bills.