PITTSBURGH -- The Steelers could be without one of their primary offensive players for their biggest game of the season.Tight end Ladarius Green is under concussion protocol and meeting with Dr. Micky Collins of University of Pittsburgh Medical Center for evaluation.The Steelers (9-5) are preparing to face the Baltimore Ravens (8-6) in a Christmas Day clash at Heinz Field that will likely decide the AFC North.Green has emerged as the No. 2 option in the passing game, with at least 65 receiving yards in three of his past four games.Steelers coach Mike Tomlin said the team will follow the protocol to the letter.Whatever they say, we do, Tomlin said.Players under the concussion protocol will be tested every day, either in a lab or with physical activity, Tomlin said.Green, who signed a four-year, $20 million contract in March, had at least one documented concussion in 2015 as a member of the San Diego Chargers.Green missed the first nine games of 2016 with an ankle injury. NFL Network reported in August that Green was suffering from recurring headaches, though Tomlin and Green have maintained he missed game action solely for the ankle.Tight end Jesse James would likely see an increased role in the passing game if Green is out.In other injury news, defensive end Stephon Tuitt has a sprained knee, which could leave Pittsburgh thin on the defensive line. Tomlin said Tuitt is rehabbing now and has a chance to play, in part because his position doesnt require heavy open-field cutting.Tuitts potential absence would leave Pittsburgh with four healthy linemen on the 53-man roster -- L.T. Walton, Dan McCullers, Javon Hargrave and Ricardo Mathews, whos battling an ankle injury.I want to see where [Tuitts] rehab takes us and put together a plan accordingly, Tomlin said.Running back DeAngelo Williams didnt play last week in Cincinnati after experiencing knee swelling. Wide receiver Darrius Heyward-Bey (midfoot), who got hurt against Baltimore in Week 9, has begun running full speed in a straight line and has a chance to play this week. Linebacker Anthony Chickillo has an ankle injury. Al Horford Celtics Jersey . Defenceman Yannick Weber scored the go-ahead goal early in the third period and the Canucks breathed a sigh of relief with a 2-1 win on Saturday night. Marcus Smart Celtics Jersey . The native of Mont-Tremblant, Que., captured a World Cup downhill event Saturday, his second this year and fifth career victory on the circuit. http://www.authenticcelticsteamproshop.com/Cheap-Greg-Monroe-Celtics-Jersey/ .Y. -- Sabres forward Drew Stafford has witnessed plenty of turmoil during his eight seasons in Buffalo. Jaylen Brown Celtics Jersey . The parade and rally were held to celebrate the Saskatchewan Roughriders 45-23 win over the Hamilton Tiger-Cats on Sunday in the CFLs championship game. Kyrie Irving Celtics Jersey . Numbers Game examines the deal that sees Michael Del Zotto and Kevin Klein switch places. The Predators Get: D Michael Del Zotto.Leicester Riders made it fifth time lucky as they finally got their hands on the BBL Trophy with an 85-77 victory over Newcastle Eagles at the Emirates Arena in Glasgow. The Riders led by 17 points in the third quarter, and just like they did to win the BBL Cup final, the Eagles battled back, however this time there would be a different ending.GB captain Drew Sullivan was hugely influential for the Riders, finishing with a game-high 22 points including some crucial baskets in the fourth quarter to earn the MVP award. Tyler Bernardini netted nine first-quarter points, helping Leicester into a 16-5 lead midway through the opening period, before the Eagles responded with a 10-0 run.The game was tied at 26 early in the second before nine unanswered points saw the Riders regain control, and Conner Washingtons basket before the buzzer helped his side go into the half-time break with a 12-point cushion.Wright increased the gap to 17 points with a three to make it 49-32, but the Eagles began to find their range from downtown to mount another resilient fightback.ddddddddddddLate in the third, Rahmon Fletcher connected with two big triples to cut the lead to six, and the momentum remained with the defending champions as they started the final quarter with an 8-2 run.On three occasions, the lead was cut to a single point, but the Riders held firm and extended their advantage to six points, only for Scott Martin and Joe Chapman to connect with back-to-back triples to tie the game at 72.However, Sullivan replied yet again with another three of his own to put his side back ahead - and this time for good - sparking an 8-0 run as the Riders kept their opponents scoreless in a vital spell before closing out the game from the foul line.Fletcher led the Eagles with 18 points, but their quest for a second consecutive clean sweep was ended in Glasgow.Meanwhile, Boroughmuir Blaze defeated Falkirk Fury 68-57 to win the BBL Challenge Cup in the days precursor to the main event. 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