The will need all the help they can get when they host the on Sunday night, but it appears they'll be without arguably their top offensive weapon for the fourth straight week. Alvin Kamara Jersey Star wide receiver hasn't taken the field since suffering both a concu sion and knee injury during Pittsburgh's Week 11 lo s to the , and while he returned to practice Wednesday as a full participant, he , prompting the team to list him as a limited participant. Now, , the wideout is considered unlikely to play against the Bills after aggravating his knee injury.The Josh Adams Jersey Steelers figured to approach Week 15 with more focus on the Lamar Miller Jersey ground game, which has helped drive the team's offense in the wake of injuries to both and his backup, , at quarterback. Running back , who's also been troubled with injuries, returned to full practice this week. But Smith-Schuster is easily the most accomplished of the Steelers receivers and would've given them a downfield target against a stingy Buffalo pa s defense.Head coach Mike Tomlin said earlier this week Pittsburgh needs the former second-round pick "a lot." Without him, third-string-turned-starting QB is likely to target and atop the receiving depth chart.After hauling in 58 pa ses as a Ryan Ramczyk Jersey rookie, Smith-Schuster broke out in 2018 with 111 catches for 1,426 yards and seven touchdowns opposite Tony Jones Jr. Jersey . Expected to take over Brown's No. 1 spot this season, he's on pace for career-low marks acro s the board, having caught 38 pa ses for 524 yards and three scores through 10 games.