RIO DE JANEIRO, Brazil -- The world players union on Friday accused World Cup organizer FIFA of failing to protect Uruguay midfielder Alvaro Pereira after he played on following a hard blow to the head that he said felt "like the lights went out." Pereira lay motionless after colliding with Raheem Sterlings knee in the 61st minute of Uruguays 2-1 victory on Thursday. Even though he appeared like a punch-drunk boxer, Pereira ultimately was allowed to return in the 63rd minute. The union urged FIFA "to conduct a thorough investigation into its own competition concussion protocol which failed to protect Uruguayan footballer Alvaro Pereira." It asked for "urgent talks and immediate assurances that FIFA can guarantee the safety of the players." It also suggested possible rule changes so players suspected of being concussed can be temporarily substituted while theyre diagnosed. "Football is awash with incidents in which players suffer potentially concussive blows to the head and stay on the pitch. In Pereiras case, he demanded to play on, overruling advice from Uruguays team physician for him to be immediately substituted," FIFPro said in a statement. "FIFPro understands that in certain moments, faced by the pressures of such an important international stage, many players would react in this way. There are times, however, when the players also require greater protection against the prospect of making any rash decisions." As he slid for a ball just outside Uruguays penalty area, Pereiras temple inadvertently struck Sterlings left knee. "After the hit, I only recall that I was unconscious for an instant," he said. "It was like the lights went out a little bit." Teammates surrounding the motionless player signalled for a stretcher. Team medical staff came onto the field. Pereira wobbled to the sideline. Uruguay physician Dr. Alberto Pan signalled for a substitution. Pereira seemed to be having trouble maintaining his balance. He argued and angrily wagged a finger to signal he didnt want to be substituted. "I said sorry a thousand times to the doctor because I was dizzy. It was that moment your adrenaline flowing in your body, maybe without thinking ... what I really wanted to do was to help get the result," the 28-year-old Sao Paulo FC player recalled. "What really matters is that everything is OK. Nothing happened. It was just a scare". Pereira said a team doctor and a FIFA physician checked him after the match. There was no immediate confirmation on whether he sustained a concussion, a subject that is slowly moving up the agenda in the sport. FIFPro said it would monitor Pereiras health on Friday. "He must be subjected to further evaluation and follow-up procedures that help determine if and when he can return to training," it said. The union said it also is considering appointing its own independent doctors "for all future FIFA competitions." "The World Cup must set the standard for player health and safety to educate the international football community. Medical evidence shows that a person faces the risk of very serious brain injury, or worse, if he or she suffers a severe head trauma from a concussive blow," FIFPro said. "Furthermore, FIFPro states any sideline concussion assessment must not be conducted solely by a national team physician. In order to ensure real independence, FIFPros involvement, as the international authority representing the interests of the players, would ensure they are insulated at all times." In the English Premier League, Tottenham came under scrutiny in November for an incident involving goalkeeper Hugo Lloris. Currently with the France squad at the World Cup, Lloris was allowed to play on after he was briefly knocked unconscious during a game after colliding with Evertons Romelu Lukaku, despite medical advice he leave the match. Scarpe Nike Italia . Jagr had a goal and two assists, Andy Greene scored 43 seconds into overtime and Marek Zidlicky had two goals as the Devils rallied past the Washington Capitals 5-4 Saturday night. Air Max 90 False . Chris Johnson singled with two outs off left-hander Jerry Blevins (1-1), and Schafer pinch ran. With a 2-2 count, Schafer ran on the pitch and Upton dropped a single in front of Bryce Harper. Schafer already was rounding third when Schafer bobbled the ball. http://www.scontatescarpenikeoutlet.it/. James Jones got his turn Sunday. And the lift he brought, combined with the expected playoff showings from LeBron James and Dwyane Wade, have the Heat off and running in these playoffs. Air Force 1 Saldi . 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Ryan Strome had a goal and two assists, while Nick Leddy, Matt Martin and Nikolay Kulemin also scored for the Isles, who have won seven of their last eight games and crept within two points of first-place Pittsburgh in the Metropolitan Division. Johnson stopped 26-of-30 shots in the victory. Nick Spaling, Blake Comeau, and Sutter lit the lamp, Patric Hornqvist tallied a goal and an assist and Evgeni Malkin supplied two helpers for the Penguins, who entered the game with wins in 10 of their last 11 games. Fleury made 31 saves in defeat. Final Score: Boston 4, Columbus 3 (SO) Columbus, OH (SportsNetwork.com) - Alex Khokhlachev produced the lone goal of the shootout in the seventh round, and Boston came away with a 4-3 victory over Columbus at Nationwide Arena. Dennis Seidenberg, Matt Fraser and Daniel Paille all scored in the third period for the Bruins, who have won three in a row and eight of their last 10.dddddddddddd Niklas Svedberg stopped 25 shots in regulation and wasnt beaten in seven chances during the games final segment. Ryan Johansen totaled a goal and two assists for the Blue Jackets, who have lost two straight and 11 of their last 13. Nick Foligno and Jack Johnson also lit the lamp but Sergei Bobrovskys 38-save performance was wasted. Three players forced their respective shots wide and two hit the goalpost as the shootout moved through its first six rounds. In the opener of the seventh round, Columbus Matt Calvert was turned away by Svedberg, leaving Khokhlachev to win the contest by deking Bobrovsky enough where a low shot slid through his pads and into the net. Final Score: New Jersey 2, Edmonton 0 Edmonton, AB (SportsNetwork.com) - Cory Schneider started his 20th straight game and made 29 saves for his second shutout of the season, lifting the New Jersey Devils to a 2-0 victory over the Edmonton Oilers on Friday. Schneider surpassed Martin Brodeur for the longest start streak to open a season in franchise history. Brodeur set the previous mark with 19 consecutive starts from Oct. 6 to Nov. 2, 2001. Adam Henrique and Tuomo Ruutu each scored and Eric Gelinas tallied two assists for the Devils, who snapped a two-game skid. Viktor Fasth made 24 saves for the Oilers, who lost their fifth in a row. ' ' '