WASHINGTON -- House Republicans on Thursday called for an independent review of allegations that the National Football League sought to improperly influence a government study into the link between football and brain disease.In a letter to the Department of Health and Human Services inspector general, GOP leaders of the Energy and Commerce Committee said that a thorough assessment is needed to ensure the integrity of the process for awarding research grants.The committees top Democrat said in May the NFL tried to strong-arm the National Institutes of Health into taking the project away from a prominent researcher that the league believed was biased.But the committees chairman, Rep. Fred Upton of Michigan, and other GOP members of panel said they dont have all the facts needed to reach conclusions. All the attention generated by claims the NFL tried to sway the study have tarnished the reputations of leading researchers into traumatic brain injuries and other medical experts, they said in the 21-page letter to the departments inspector general, Daniel Levinson.The lawmakers also said that based on the information they have, the institutes may have contributed to the breakdown of the structures and processes that exist to preserve the integrity of NIH research.The NFL said in a statement that it looks forward to cooperating with the inspector general. The NFL has never wavered in its commitment to advance the science and understanding of concussions and traumatic brain injuries, the league said.Rep. Frank Pallone, D-N.J., initiated an investigation after ESPN reported in December that the league had agreed to donate $30 million to the NIH to fund brain research. But the league backed out after the institutes went ahead with a $16 million grant to Boston University researcher Robert Stern, according to the sports networks report.Stern is a leading expert on the link between football and brain diseases such as chronic traumatic encephalopathy. He also filed a declaration opposing a settlement between the NFL and former players, fearing that deserving players would not be compensated.The NFLs critics say the league has downplayed the link between football and brain damage, alleging that an NFL committee on brain injury had ignored or minimized the link between repetitive head trauma and brain damage.Pallone said his probe confirmed the NFL inappropriately attempted to use its unrestricted gift as leverage to steer funding away from one of its critics, Pallone said.The NFL denied Pallones findings. The league at the time acknowledged it had raised concerns about the study and a potential conflict of interest involving Stern, but said it had communicated those concerns through appropriate channels.The league said in the statement Thursday that its $30 million commitment was never in doubt and said its unfortunate that the allegations have distracted attention from the broader goal of further traumatic brain injury science.Upton and other Republicans said if the NFL acted inappropriately, then NIH not only failed to identify and address this behavior, but rather encouraged ongoing discussion, thus creating a perception that the league had input on the use of (research) funds.There is little evidence to suggest, Upton and his colleagues wrote, that anyone affiliated with the NFL advocated on behalf of a specific research team or grant proposal.---Follow Richard Lardner on Twitter: http://twitter.com/rplardnerCheap NCAA Jerseys Authentic . 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Uniteds eighth defeat of a wretched campaign means Liverpool, which currently occupies the fourth and final Champions League place, could go nine points clear of its fierce rival by beating West Bromwich Albion on Sunday. Charlie Adam scored both of Stokes goals at Britannia Stadium either side of Robin van Persies equalizer, with a miserable day for seventh-place United capped by first-half injuries to centre halves Jonny Evans and Phil Jones that forced them off.CHICAGO -- Miguel Montero waited for five hours before he got a chance to play. And then he had to face a crafty left-hander with the bases loaded.One soft liner made it all worth it.Montero hit a game-ending RBI single in the 13th inning, and the Chicago Cubs rallied for a wild 8-7 victory over the Pittsburgh Pirates on Monday night.Its a winning team, winning attitude, Montero said. Thats (what) its all about. We never quit. We know we can come back anytime. Weve done it all season long, and we did it again today.Dexter Fowler, Kris Bryant and Anthony Rizzo set the stage for Monteros clutch swing with consecutive singles against Jeff Locke (9-8), plating the tying run. After Ben Zobrist was walked intentionally, Montero dumped a 1-2 pitch into left for a big pinch-hit single.The major league-leading Cubs (83-47) dropped two of three in Los Angeles over the weekend, and then their flight to Chicago was delayed. They arrived early Monday morning, and still had enough in reserve to outlast the scrappy Pirates.They had to be tired today, but nevertheless played `til post-midnight with energy, manager Joe Maddon said, and I love it.Rob Zastryzny (1-0) got his first major league win despite allowing Josh Harrisons sacrifice fly in the top half of the inning. Jorge Soler and Willson Contreras homered for the Cubs, and Javier Baez collected four hits.Pittsburgh had won eight straight road games. It fell 1 1/2 games back of St. Louis for the second NL wild card.Nothing to hang our heads about, Harrison said. We went out there and gave it everything we had. We got contributions from a lot of different people. We just came up short.Gregory Polanco and Josh Bell helped the Pirates build a 6-3 lead with opposite-field homers against Jake Arrieta, but Contreras belted a two-run shot to center against Neftali Feliz in the eighth and Soler connected for a tying solo shot in the ninth against closer Tony Watson.Baez was thrown out at the plate to end the 10th and 12th innings. Catcher Francisco Cervelli made a nice lunging tag to get Baez on Rizzos inning-ending double play in the 10th, and then corralled left fielder Starling Martes outstanding throw in time to get Baez in the 12th.Youve got to do everything perfectly and in our case it was done, twice, Locke said.Rizzo, one of the leading candidates for NL MVP, also struck out with runners on the corners for the final out of the eighth.dddddddddddd But his single in the 13th drove in Fowler with the tying run.Bells one-out shot to left in the fourth was Pittsburghs first hit of the game. With two outs and runners on first and second in the sixth, Polanco drove Arrietas first pitch over the wall in left for a 4-3 Pittsburgh lead.Polanco also hit a tiebreaking solo homer in the sixth inning of the Pirates 3-1 win at Milwaukee on Sunday. He was batting just .138 (4 for 29) against Arrieta before his team-best 21st homer.Arrieta was charged with six runs -- matching a season high, also against Pittsburgh on July 8 -- and five hits in 6 1/3 innings. The ace right-hander went 4-0 with a 1.98 ERA in his first four August starts, recalling his dominant second-half run to the NL Cy Young Award a year ago.I didnt pitch as well as I would have liked, he said. Obviously the two homers were kind of the dagger for me.ON SEPTEMBERActive major league rosters can expand to as many as 40 players on Thursday, and Cubs president of baseball operations Theo Epstein said the team isnt ready to discuss in detail what it might do.Weve been working on it and continue to work on it next few days, both our internal decisions and anything that we might consider from outside the organization, too, he said.Asked about Tommy La Stella, who is playing for Triple-A Iowa after initially refusing to report to the minors, Epstein said he thinks the infielder will rejoin the Cubs this week.TRAINERS ROOMPirates: RHP Tyler Glasnow (shoulder) was activated from the 15-day DL and optioned to Indianapolis, where he will make at least one start before the Triple-A season ends next week.Cubs: RHP Pedro Strop (left meniscus tear) is throwing again, and RHP Hector Rondon (right triceps strain) also is making great progress, according to manager Joe Maddon. ... RHP John Lackey (right shoulder strain) threw a side session.UP NEXTCubs RHP Kyle Hendricks (12-7, 2.19 ERA) and Pirates RHP Chad Kuhl (3-1, 3.50 ERA) get the ball for the second game of the series on Tuesday night. Hendricks is 3-0 with a 1.53 ERA in five August starts. Kuhl allowed two runs and five hits in 6 1/3 innings in a no-decision in his previous start Thursday at Milwaukee.---Jay Cohen can be reached at http://www.twitter.com/jcohenap ' ' '