Sydney ruckman Kurt Tippett and defender Callum Mills have been ruled out of the Swans AFL semifinal against Adelaide and are no certainty to play any further part in the clubs campaign if they advance beyond next weekend.Tippett suffered a non displaced hairline fracture to his jaw and Mills a grade one hamstring strain in Saturday nights qualifying loss to the GWS Giants.In pointers to their potential replacements, defender Jeremy Laidler and ruckman Toby Nankervis were withdrawn from the Swans side which contested Sundays NEAFL grand final.The seniors have got a game next week and its only smart to pull some of your best players out so they are ready for next week, Swans reserves coach Rhyce Shaw said after his teams four-point loss.Tippett, who was playing just his third match back after an eight-game layoff following hamstring surgery, will consult a specialist on Monday to determine the best course of action.Rising Star winner Mills, who had played 21 of 23 games this season, suffered the lowest grade of hamstring strain, offering him a little hope of him playing again if the Swans stay alive beyond next weekend.Another possible replacement for Mills, 21-year-old Zak Jones, suffered a blow to his chances of playing when he was stretchered off in the final quarter of Sundays game after suffering a head knock.The medical staff will look at him and weigh up what happens in the morning, but he seems OK, Shaw said.Sydney didnt really have the luxury of also withdrawing Jones from the NEAFL decider.He had only played one NEAFL game last week after missing the Swans final six home and away round matches with an ankle injury.Jonesy only played the one game previously and he probably needed the run, Shaw said.Im sure he would have been up for selection next week.Laidler was an emergency for Saturdays match and started the Swans first 12 games of the season, but hasnt featured in their past nine AFL fixtures.He would appear to have the advantage over Jones and veteran key position player Ted Richards, who might have made his final appearance for the club on Sunday, if he cant break back into the senior side before the end of the season.Richards, who is retiring at the end the season, hasnt played a senior game since round 17.Nankervis has played six senior games this year. 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The NCAA says the University of North Carolinas argument that the governing body lacks jurisdiction in the schools multiyear academic fraud scandal is without merit.In a Sept. 19 filing released by the school Tuesday, the NCAA enforcement staff pushed back against the schools procedural arguments in response to five serious charges by saying all the arguments lacked merit. UNC had argued that its accreditation agency -- which put the school on a year of probation that expired over the summer -- was the proper authority to handle such a matter instead of college sports governing body.UNC also argued that there was an expired four-year statute of limitations and that a March 2012 ruling in an earlier case should have precluded some of the current charges.In addition, the school said some material from an outside investigators report into academic irregularities on the Chapel Hill campus shouldnt be used because interviews werent performed to NCAA protocols.Indeed, its response rests almost entirely on these procedural issues and touches only minimally on the underlying substantive facts, the enforcement staffs reply states.After noting that many of the procedural issues had been addressed with the school previously, the documents states: The parties explored each at length throughout this case and each is without merit.North Carolina is scheduled to appear before an infractions committee panel in Indianapolis on Friday in what amounts to a pretrial hearing. The focus will be the procedural arguments and not the facts of whether violations occurred, including lack of institutional control.The case grew as an offshoot of a 2010 inquiry innto the football program.ddddddddddddIt centers on independent-study-style courses in the formerly named African and Afro-American Studies (AFAM) department requiring a research paper or two while offering GPA-boosting grades. Many were misidentified as lecture courses that didnt meet and featured significant athlete enrollments across numerous sports.A 2014 investigation by former U.S. Justice Department official Kenneth Wainstein estimated more than 3,100 students were affected between 1993 and 2011.Also Tuesday, UNC released correspondence between the school and NCAA ranging from summer 2014 through last week in the case. That included a letter from an attorney representing the school pointing out that the NCAA was aware of the key AFAM issues in 2011 during the earlier joint investigation, yet it didnt charge the school with additional violations before issuing its March 2012 sanctions against the football program.This was not a different case than what was investigated in 2010-11, decided in 2012, and revisited in 2013, the Oct. 19 letter from Richard J. Evrard states.None of the NCAA charges is tied solely to the existence of the problem AFAM courses. Rather, they are focused on failures in oversight.The timeline is likely to carry this case well into 2017, approaching seven years since NCAA investigators first arrived on campus in the original football case focused on improper benefits and academic misconduct. Fridays hearing comes exactly five years after UNCs hearing in the original football case. ' ' '