WASHINGTON -- Pittsburgh Steelers linebacker James Harrison wants the NFL to provide credible evidence before he agrees to an interview with league officials regarding a media report that linked him and other players to the use of performance-enhancing drugs.The NFL Players Association sent a letter on Harrisons behalf to NFL executive Adolpho Birch on Tuesday asking for more information.We have repeatedly requested that the NFL inform him and the NFLPA whether the NFL possesses any credible evidence (e.g., verified documents or verified testimony of witnesses) that warrants an interview of Mr. Harrison regarding a potential violation, union attorney Heather M. McPhee wrote.The other active players implicated by the Al-Jazeera report are Green Bay linebackers Clay Matthews and Julius Peppers, and free-agent linebacker Mike Neal, who played the past six seasons with the Packers. Peyton Manning, who is now retired, also was cited in Al-Jazeeras doping report in December. He wasnt mentioned in the NFLs investigation, but USA Today, citing an unnamed source, reported last week that an investigation into Mannings possible involvement also is progressing.The NFL first notified Matthews, Peppers, Harrison and Neal about its investigation into the report on Jan. 11.Al-Jazeera America reported allegations by Charlie Sly, who worked as an intern at an anti-aging clinic. But Sly later recanted his claims.Especially in a business where the mere mention of a player-employees name can generate ratings for a broadcaster, the NFLPA and Mr. Harrison do not believe that unsupported, unsubstantiated verbal remarks provide `sufficient credible evidence to initiate an investigation of, and require an interview with, an employee, McPhee wrote.---AP NFL website: www.pro32.ap.org and www.twitter.com/AP-NFL Devonte Graham Jersey . 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Andrew Bogut had 10 points and 15 rebounds for Golden State, which rebounded from a loss a night earlier in Oklahoma City and snapped a two-game skid.Warrington Wolves have announced scrum-half Chris Sandow will not be returning for the 2017 season, in what the club are calling “a clear breach of contract”. The 27-year-old Australian informed the club of his decision via his agent.Sandow, who is contracted to Warrington through the end of the 2017 season, was due to report for pre-season training on November 21 but is believed to have remained in Australia. A statement from Warrington, read: The club have recently been informed that Chris Sandow has decided not to return to Warrington Wolves for the 2017 season. The club have been notified of Chriss decision by his agent. Sky Sports Black Friday sale Upgrade to Sky Sports now and get 12 months half price! Karl Fitzpatrick, Head of Rugby Operations, said: Chris is contracted until the end of 2017 and should have reported for pre-season training today (21 November).This is a clear breach of contract. We will be retaining his registration until further notice.We the club are disappointed that Chris has decided not too return, we are already underway in monitoring a potential replacement both internally and externally.ddddddddddddSandow, who spent four years with South Sydney from 2008-11 before moving to Parramatta, resurrected his career with Warrington in 2016 after falling out of favour with the Eels halfway through the 2015 season.He joined the Super League club for the last two months of the season and spoke of re-discovering his love for the game as he looked ahead to 2016.Sandow made a tremendous start to the season, winning the player of the month award for both February and March, before sustaining a torn hamstring which kept him out for two months. He also injured a knee in Warringtons 12-10 defeat by Hull at Wembley in August but returned for the Grand Final, which the Wolves lost to Wigan.Warrington handed Sandow the No 7 jersey when they announced their squad numbers last Wednesday.Upgrade to Sky Sports now and get 12 months half price. Hurry, offer ends December 4! Also See: Ratchford blow for Wolves Hill, Currie extend contracts Rugby League on Sky Follow us @SkySportsRL Jerseys NFL China Cheap Adidas NHL Jerseys Wholesale Jerseys From China Cheap MLB Jerseys Wholesale China Jerseys NFL Jerseys China Discount Soccer Jerseys Wholesale Jerseys China China NCAA Jerseys Cheap Cheap Nike Dolphins Jerseys Cheap Nike Patriots Jerseys Cheap Nike Jets Jerseys Cheap Nike Bengals Jerseys Cheap Nike Browns Jerseys Cheap Nike Steelers Jerseys Cheap Nike Texans Jerseys Cheap Nike Colts Jerseys Cheap Nike Jaguars Jerseys Cheap Nike Titans Jerseys Cheap Nike Broncos Jerseys ' ' '