TAMPA, Fla. -- Tampa Bay Buccaneers cornerback Jude Adjei-Barimah has been suspended four games without pay for violating the NFL policy on performing-enhancing substances.The league announced Tuesday that the second-year pro whos primarily served as the Bucs nickel back this season will be eligible to return to the active roster on Dec. 19, the day after Tampa Bay visits the Dallas Cowboys.Adjei-Barimah was an undrafted college free agent out of Bowling Green, who started seven of 13 games he appeared in as a rookie in 2015. Hes started one of 10 games this season and has 22 tackles and two sacks.I take a lot of pride in the hard work and dedication that I put in all year in preparation for each season and that is why this situation is so difficult for me personally, Adjei-Barimah said in a statement released by the Bucs.As a member of this team, it is very disappointing to have to miss the next four games and not be out there battling with my teammates as we go down the stretch, the 24-year-old added.I apologize to my family, the Bucs organization, my teammates, as well as the fans for this situation. I promise to stay focused and be ready for the last two games of the regular season.Meanwhile, the Bucs said offensive lineman Ben Gottschalk has been placed on injured reserve after being hurt during Sundays 19-17 road win at Kansas City. Offensive lineman Josh Allen and cornerback Javien Elliott were promoted from the practice squad to the active roster.The team also signed offensive lineman Mike Liedtke, cornerback Cody Riggs and wide receiver Myles White to the practice squad. Running back Russell Hansbrough was released from the practice squad.---For more NFL coverage: http://www.pro32.ap.org and http://www.twitter.com/AP-NFLCesar Azpilicueta Jersey .Y. - Nelson Mandela will be honoured by the New York Yankees with a plaque in Monument Park. Fikayo Tomori Jersey . -- Quarterback Will Finch threw for 252 yards and three touchdowns, and Yannick Harou rushed in two scores as the No. http://www.chelseafcproshop.com/ . Manuel was offered a position the day he was fired. He accepted earlier this week and the team made the announcement Friday. Victor Moses Jersey . Goals from Jerome Boateng, Franck Ribery and Thomas Mueller extended Bayerns unbeaten run to a record 37 matches. "This record is incredible," Bayern coach Pep Guardiola said. Blank Jersey . It was the second consecutive win for the Pacers (2-5), who lost their first five preseason games. Jeff Teague led the Hawks (1-5) with 17 points and eight assists and Al Horford had 12 points and seven rebounds. Mike Scott scored 15 of his 17 points in the second half.TORONTO -- A recent NHL rule change designed to cut down on the number of concussions in the league hasnt made a difference, a new study suggests. The research suggests the rule, which outlawed bodychecks aimed at the head and checking from a players blind side, has not led to lower concussion rates among pro hockey players since it came into force in the 2010-11 season. The senior author of the work said the league should take another crack at the rule change, noting that as it stands the wording is too subjective and gives referees leeway not to enforce it. "If player safety is the prime priority of the NHL in bringing this kind of rule in ... then they need to relook at this in a very serious way and adjust things," said Dr. Michael Cusimano, a neurosurgeon who heads the injury prevention research unit at Torontos St. Michaels Hospital. "If it isnt a priority, I could see them just leaving things the way they are and its kind of a Band-Aid response to a major problem." The NHL did not respond Wednesday to a request for comment on the article. And the NHL Players Association declined to comment because it hadnt had a chance to review the study. But another concussion expert applauded the work, saying Cusimano and his team had performed a service by exploring the impact of the rule change. Dr. Charles Tator, a brain surgeon with Toronto Western Hospital, said the changes lack of impact has an effect not just in the arenas of the National Hockey League, but on rinks where kids who dream of making it to the NHL some day emulate their professional heroes. "Professional hockey is still a bad influence on the amateurs," said Tator, who is project leader for the Canadian Sports Concussion Project at the Krembil Neuroscience Centre. The study was published Wednesday in the journal PLoS One. Cusimano and colleagues painstakingly put together data on reports of concussions and suspected concussions -- based on reports of symptoms -- from a variety of sources. Some of the information came from teams, others from media reports. The information was gathered for both the NHL and the Ontario Hockey League, which has stricter rules on checks to the head than the NHL does. The OHL rule penalizes any hit to the head of another player, intentional or unintentional. The data showed that there was no statistical significance in the incidence of concussions in the NHL in the 2010-11 and 2011-12 seasons compared to the 2009-10 season. That latter was the year before the NHL rule change went into effect. The researchers estimated there were about 5.233 concussions per 100 games in the NHL regular season.dddddddddddd Despite its stiffer rule, the OHL didnt have markedly different concussion rates, clocking 5.05 per 100 games in the regular season. The analysis also showed that the type of hits outlawed by the NHL rule werent actually the major cause of concussions. About 28 per cent of interactions produced a concussion also generated a penalty call, said Cusimano. In that 28 per cent, the bulk of the penalties were for fighting. "And blindsiding, which was what the rule was initially was written about, was only 4.1 per cent of all those.... But four per cent of 28 per cent is a very small number." "I wasnt totally surprised, but I was disappointed that we werent able to show a difference," Cusimano said. "Part of its the way the rules written. Part of its the way the rule is enforced. Part of its the penalties associated with the rule. And part of it is that concussions are also coming from other causes like fighting, that is still allowed." The way the NHL rule is worded gives referees outs to avoid levying penalties for some of the hits, for instance in cases where players are deemed to have put themselves in a vulnerable position. "So its like his fault, because he put himself into a vulnerable position. And this highlights one of the major problems in sport and particularly in hockey these days. We victimize the victim even more, rather than looking at the game and the system and saying: What can we do to reduce these injuries?" Cusimano said. He suggested that if the league wants to get serious about protecting players, it has to raise the cost of concussion-inducing hits, both on the player who inflicts the injury, and on the team which sent him out to do it. If the player who sidelined Pittsburgh Penguin captain Sidney Crosby for a year was forced to spend as much time off the ice for the injury, the culture of teams might start to change, Cusimano suggested. "If there were more severe consequences to those who inflict that kind of injury -- lets say that player was out for an equal amount of time as Crosby -- that might have more impact," he said. Tator estimated that hockey has moved only about 10 per cent of the way down the path it would need to take to make the game safe for amateurs and professionals. "In terms of injury prevention, it isnt enough to enact regulations," he said. "The other half of the coin is enforcement. And if you really arent strictly enforcing a rule, the rule is going to be ineffective." 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