GREEN BAY, Wis. -- Packers?cornerback?Sam Shields suffered a concussion in Sundays regular-season opener at Jacksonville, coach Mike McCarthy confirmed Monday after Shields underwent tests.The concussion is Shields second in less than nine months and the fourth known concussion of his NFL career. He missed four games because of a concussion late last season and missed one game in 2011. He also suffered a concussion in 2014 but didnt miss any games.Any time any of our players is in the protocol and dealing with a concussion, its a concern, McCarthy said Monday. Thats why well evaluate Sam each and every day, and most importantly to make sure hes healthy and goes through the challenges of what hes dealing with.McCarthy offered no other details about Shields condition.Its a protocol, and I think they do a great job, particularly our doctors, of taking it one step at a time, McCarthy said. We definitely are aware of his history, and that will factor in how we move forward.Shields was slow to get up after he tackled Jaguars running back T.J. Yeldon in the fourth quarter of Sundays 27-23 win, but he was able to walk off the field under his own power.Last season, Shields missed the final three games of the regular season as well as the wild-card playoff game at Washington after his head slammed onto the Lambeau Field turf in the teams Dec. 13 game against the Dallas Cowboys.If Shields is unavailable for next Sunday nights game, the Packers will turn to a trio of young cornerbacks in second-year pros Damarious Randall, Quinten Rollins and LaDarius Gunter.While Randall played well as the other starter against the Jaguars, Rollins was benched midway through the game in favor of Gunter, who also struggled. Rollins was forced to return after Shields left the game. Jordan 12 For Sale NZ . 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Air Jordan 12 Sale Online .Y. -- Injured Buffalo Sabres forward Marcus Foligno did not practice with the team Monday and head coach Ron Rolston said its unlikely hell play in Wednesdays season opener in Detroit.SASKATOON -- The Halifax Mooseheads are still searching for perfection. If they find it before the end of the MasterCard Memorial Cup, its hard to imagine them not lifting the trophy after Sundays final. Playing a nearly flawless game didnt look too bad either. Martin Frk had a hat trick and an assist and Darcy Ashley also scored twice and assisted on another goal Tuesday as Halifax dismantled the London Knights 9-2 in the final round-robin game at the tournament for both teams. "We want to bring that to the next game and strive to be even better next time," Mooseheads coach Dominique Ducharme said. "We were not perfect, we were close, we were not perfect. "Our goal is to be playing the perfect game. Our next game could be a good time to do it." That could come in the form of either Fridays semifinal or Sundays championship game, depending on what happens in Wednesdays final round-robin game between the Portland Winterhawks and the Saskatoon Blades. Stefan Fournier added a goal and an assist, while Brent Andrews, Ryan Falkenham and Luca Ciampini also scored for Halifax (2-1), which is looking for its first Memorial Cup. Top prospects Nathan MacKinnon and Jonathan Drouin, who play on a line with Frk, each added three assists as the Mooseheads top three forwards combined for 10 points. "When you do the little things right, you get rewarded. Those guys skated hard and they were rewarded with opportunities," Ducharme said. "When youre sharp, when youre alive, when youre on your toes, you get those scoring chances and you put them in the net. "When you do good things, good things happen to you." Zachary Fucale made 26 saves for the Quebec Major Junior Hockey League champions, who led 5-0 after the first period and 8-2 after the second before taking their foot off the gas in the third. The focus of the tournament now turns to Wednesdays game between the Western Hockey League champion Winterhawks (1-1) and the host Blades (1-1). A victory for Portland puts the Mooseheads directly into Sundays championship game, while a Saskatoon win means the Blades will go right to the final, with Halifax having to settle for a spot in the semifinal. Ducharme had a message for his players after the Mooseheads dominated from start to finish after two so-so performances to begin the tournament that decides the Canadian Hockey League title. "The next time we play I want to see the same kind of urgency, energy, battle level and composure at the same time that we had tonight," he said. Seth Griffith and Matt Rupert had the goals for the overmatched Knights (1-2), who will take on the loser of Saskatoon-Portland in Thursdays tiebreaker. The winner of that one moves on to the semi. "Its one of those games where they jumped on us early," said Knights coach Dale Hunter, whose team lost 6-3 to Portland a night earlier and were also involved in gruelling seven-game Ontario Hockey League final. "It happens. Ive been on a bigger playing field than this and a few times this kind of game has happened." Jake Patterson, who was making his first start of the tournament, stopped 6 of 11 shots for London in a disastrous first period before being replaced by Anthony Stolarz at the start of second. Stolarz was pulled after giving up five goals on 31 shots in the loss to Portland. He finished with 22 saves on Tuesday. Coming off Sundays 5-2 upset loss to Saskatoon, the determined and fresher Mooseheads scored early and ofteen against the sluggish Knights.dddddddddddd "We wanted to bounce back. We dont like the taste of losing but its not too bad to have it once in a while," MacKinnon said. "I think it gives you a bit of a wake-up call and makes you a little more hungry to win." Frk stepped out of the corner and faked a shot before finding Fournier wide open on Pattersons doorstep for an easy tap-in to start the onslaught at 7:43 of the first period. Ashley made it 2-0 just 1:43 later, popping home a rebound from in close and added his second of the night at 12:02 on a nice deflection just as a Knights penalty expired. The rout was on at 17:31 when Andrews stripped the puck from Knights defenceman Nikita Zadorov at the Halifax blue-line and moved in on a 2-on-1 before beating Patterson with a quick shot to the stickside to make it 4-0. Frk, a second-round pick of the Detroit Red Wings in 2012, then stretched the lead to five just 29 seconds later by burying a one-timer from the slot off a pass from Drouin. The Mooseheads didnt let up against their wounded opponent in the second period. After Londons Max Domi fired wide on a partial breakaway, Frk finished off a pretty passing play with MacKinnon and Drouin for his second of the night at 1:45 past Stolarz, who came on in place of Patterson. Falkenham made it 7-0 at 9:51 with a shot that chimed in of the post on a 2-on-1 as Ducharme started to roll four lines. London showed a bit of life and got one back on a nice move by Griffith on Fucale at 16:02 and Rupert cut the deficit to five 1:18 later. But any threat of a miraculous comeback was put to rest when Frk finished off another passing play with MacKinnon and Drouin for his third of the night with 1:57 left in the period. "Everyone was playing very well and the boys made nice passes for me to score goals," Frk said. "I had a pretty easy job -- three open nets." Ciampini added Halifaxs ninth goal on a two-man advantage with less than a minute to play in the third period as both teams now look ahead to the knockout round. Ducharme kept his stars on the bench for large chunks of the final period, but put MacKinnon, Drouin and Frk back out with Halifax skating 5-on-3 after he thought there was too much stickwork from the Knights in the dying minutes. "There was many power players where we didnt put them (on the ice)," Ducharme said. "At one point we thought that (the Knights) were going pretty hard on the slash and everything else so we decided to go back with them." Notes: MacKenzie Weegar added two assists for the Mooseheads. ... The best that Portland can finish is to qualify for the semifinal with a win over Saskatoon on Wednesday. ... Hockey legend and local product Gordie Howe received a standing ovation from the crowd of 9,237 at the Credit Union Centre before dropping the puck for the ceremonial faceoff. ... Alexis Normand sang the national anthem. She needed the crowd to help her finish "The Star-Spangled Banner" on Saturday after she forgot the words. Normand got a nice round of applause after Tuesdays performance of "O Canada" went off without a hitch. ... The game featured at least six potential first-round picks for next months NHL draft -- MacKinnon (No. 2 ranked North American skater) and Drouin (No. 3) from Halifax, and Londons Bo Horvat (No. 15), Domi (No. 19) and Zadorov (No. 22). Fucale, meanwhile, is rated as the No. 1 draft-eligible goaltender by NHL Central Scouting. ' ' '