IRVING, Texas -- The Dallas Cowboys have locked up center Travis Frederick with a long-term contract.The Cowboys signed the two-time Pro Bowl player to a six-year, $56 million extension that runs through 2023 after agreeing to terms just before the preseason opener at the Los Angeles Rams on Saturday. The average of $9.1 per season makes him the NFLs highest-paid center.Frederick, drafted 31st overall in 2013, was the second of three first-round picks on the offensive line by Dallas in a four-year span starting with left tackle Tyron Smith in 2011. Left guard Zack Martin was the teams top selection in 2014.Smith is also signed through 2023, and an extension for Martin is likely to be an issue next summer.---Online:AP NFL website: www.pro32.ap.org and www.twitter.com/AP-NFLDakota Hudson .ca looks back at the stories and moments that made the year memorable. Dominic Leone . -- There were so many positives from the Orlando Magics first victory of the season that it was hard for coach Jacque Vaughn to stop praising his players. http://www.custommlbcardinalsjersey.com/custom-john-gant-jersey-large-891q.html . On Tuesday, Ottawa placed forward Cory Conacher and defenceman Joe Corvo on waivers as trade rumours swirl around the Senators. Adolis Garcia . The Islanders dealt Thomas Vanek to the Montreal Canadiens after less than a year on Long Island. Meanwhile, the Oilers dealt long-time sniper Ales hemsky to the Ottawa Senators on Wednesday for a fifth-round pick in 2014 and a third-rounder in 2015. Tyler ONeill . Burke is expected to miss two to three months after breaking a finger in the teams third preseason game. Tinsley, a 10-year veteran, spent the last two seasons in Utah, where the point guard averaged 3. Two female Purdue students have accused four Boilermakers football players of sexually assaulting them last month.The Tippecanoe County prosecutors office issued a statement saying that West Lafayette police investigated the case and had the cooperation of all parties involved. The prosecutors office decided not to file charges.?The accusations came via a news release by an Indiana law firm that says it represents the accusers.None of the football players was named in the release, but Purdue said in a statement that the four students have been suspended pending the outcome of the investigation.In the statement, Purdue said the university launched an investigation immediately upon receiving the allegations, that the investigation is ongoing and that no further information could be released at this time per federal law.The news release from Massillamany & Jeter LLP says the assault occurred Oct. 13 in an off-campus apartment where the players lived in West Lafayette, IIndiana.dddddddddddd West Lafayette Police investigated an alleged sexual assault that day involving four Purdue athletes and forwarded the case to the Tippecanoe County prosecutors office, according to the Lafayette Journal & Courier.The accusers reported the incident to school authorities and police, according to the law firm. The firm also said at least one other student has come forward, claiming to have been a victim of similar actions by Purdue football players in the past.Firm partner Mario Massillamany called for Purdue to expel the four players.School officials must move quickly to hold these players accountable for their actions and show these victims that their voices are being heard, Massillamany said in the release. Purdue and other schools have an obligation to send a message that this type of activity will not be tolerated. ' ' '