Chickillo (foot) was spotted in a walking boot Monday, Chris Adamski of TribLive.com reports.

EDGE Analysis

Chickillo was diagnosed with plantar fasciitis after Sunday's loss to the Seahawks. It's unclear how serious the 26-year-old's injury is. Chickillo's degree of participation in this week's practices will help shine a light on his status for Sunday's game against the 49ers.

Coach Mike Tomlin said following Sunday's game against the Seahawks that Chickillo was diagnosed with plantar fasciitis, Brian Batko of the Pittsburgh Post-Gazette reports.

EDGE Analysis

Plantar fasciitis effects the tissue that runs across the bottom of the foot, and includes stabbing pain near the heel. It's unclear of how serious Chickillo's case is, but it could be serious enough to require surgery in it's worst case. It will be important to track Chickillo's practice time as the week goes on leading into next Sunday's game against the 49ers as to some insight of how serious the injury is.

Chickillo was not listed on Wednesday's injury report, Teresa Varley of the Steelers' official site reports.

EDGE Analysis

Chickillo picked up a chest injury during an exhibition match against the Chiefs, and he now looks to have gotten fully healthy. The fifth-year linebacker projects to provide Pittsburgh's defense with depth and play a role on special teams.

Chickillo suffered a chest injury during Saturday's preseason game against the Chiefs, Brian Batko of the Pittsburgh Post-Gazette reports.

EDGE Analysis

It's unclear how he picked up the injury, but coach Mike Tomlin did say that it's not considered serious. Chickillo recently signed a two-year pact with the Steelers this offseason, so it's presumed he'll have some role in the team for 2019. In Chickillo's stead, Sutton Smith could see an increase in reps.

Chickillo agreed to a two-year, $8 million contract with the Steelers on Tuesday, Adam Schefter of ESPN reports.

EDGE Analysis

Chickillo continues to develop in Pittsburgh's organization, and he recorded 24 tackles along with 1.5 sacks last season. He's not in play for a starting role behind T.J. Watt and Bud Dupree in the depth chart, but he'll continue to contribute in a reserve role with special-teams upside.

Chickillo recorded three tackles (two solo) including a half sack during Sunday's 16-13 win over Cincinnati.

EDGE Analysis

He finishes his fourth season with Pittsburgh with 24 tackles including 1.5 sacks and two fumble recoveries in 16 games. Chickillo has missed only one game over the past three seasons and is a solid performer on special teams while providing linebacker depth on defense. He is an unrestricted free agent heading in to the 2019 season.

Chickillo (ankle) is active for Sunday's game at Oakland, Jeremy Fowler of ESPN.com reports.

EDGE Analysis

Chickillo received the questionable tag as he was able to put in a full practice session Friday. The 2015 sixth-round should serve his usual role as a rotational outside linebacker for the Steelers.

Chickillo (ankle) is questionable for Sunday's game against the Raiders, Teresa Varley of the Steelers' official site reports.

EDGE Analysis

Chickillo was able to fully practice Friday after having been held out to begin the week, and could be a game-time decision for Sunday's tilt against the Raiders. The rotational linebacker has yet to miss a game this season.

Chickillo (ankle) did not practice Thursday, Chris Adamski of triblive.com reports.

EDGE Analysis

Chickillo suffered an ankle injury during Sunday's loss to the Chargers, and has not returned to practice since. If the rotational linebacker were to miss any time, L.J. Fort, Tyler Matakevich and Olasunkanmi Adeniyi could all be in line for an uptick in snaps against the Raiders in Week 14.

Chickillo (ankle) was a full participant in Wednesday's practice, Teresa Varley of the Steelers' official site reports.

EDGE Analysis

Chickillo suffered an ankle injury during a Week 11 win over the Jaguars, but appears to have returned to full health. Barring any setbacks, expect Chickillo to serve his usual role as a rotational linebacker and special-teams asset against the Broncos on Sunday.