Ronnie OSullivan will face disciplinary action for failing to fulfil media duties after his World Championship win over David Gilbert on Monday. The five-time champion skipped the obligatory post-match press conference after his 10-7 first-round victory, breaching part of the contract all tour players are required to sign.OSullivan could be fined if he is found guilty by a World Professional Billiards and Snooker Association (WPBSA) disciplinary panel. The 40-year-old is due to next play on Saturday where he will face Englands Barry Hawkins or Chinas Zhang Anda.World Snooker issued a statement regarding OSullivans non-appearance in front of the media, confirming he will face disciplinary procedures.It read: All players have a responsibility to the sport, and in particular to their fans. This includes fulfilling media obligations at events. Any players found to be in breach of these rules will be referred to the disciplinary process. Nugget hangs up cue Six-time world champion Steve Davis retires from snooker OSullivans decision, which was relayed to the waiting media by a WPBSA official, came as a surprise given the relatively serene nature of his progress into the last 16.Although he never quite hit top form against his gutsy opponent, he hit breaks of 101 and 72 as he transformed a 6-3 overnight lead into his three-frame victory.Gilbert paid tribute to his opponent, saying: That is probably the best Ill ever play without winning a game of snooker.It was an honour to play the legend that is Ronnie OSullivan. I know he wasnt quite on top of his game but I feel like I learned a lot and Ive got nothing to be disgraced about.Theres not a lot you can worry about when you play against Ronnie because you just expect to get punished every time something doesnt go your way.Also in the morning session, John Higgins set a blistering pace against qualifier Ryan Day, hitting three centuries on his way to establishing a 7-2 lead with their match due to resume on Tuesday afternoon. Also See: Photos Bet £5 Get £20 free Get Sky Sports Jake Guentzel Penguins Jersey . Capitals head coach Adam Oates said Ovechkin was injured in the first period against the Vancouver Canucks on Monday and clarified it was not a head injury. Justin Schultz Penguins Jersey . Nigeria beat surprise package Ethiopia 2-0 in the second leg of their playoff for a comfortable 4-1 aggregate victory. Victor Moses converted a 20th-minute penalty after an Ethiopian handball, and Victor Obinna made certain of Nigerias place in Brazil with his powerful free kick in the 82nd at UJ Esuene Stadium. http://www.penguinsauthenticofficial.com/michel-briere-jersey/ . -- Matt Ryan needed one of the best games of his career to lead the Falcons and their depleted offence out of their three-game losing streak last week. Joe Mullen Jersey .J. -- Marshawn Lynch said Thursday it will be good to get back to football after the Seattle quiet talking running back wrapped up his final mandatory media session of Super Bowl week. Bryan Trottier Jersey . -- In one brief spurt, Brazil turned a close game into a rout and proved again it will be a strong World Cup favourite. Ben Simmons can expect a baptism of fire when he pulls on a Philadelphia 76ers jersey and takes to the court as an NBA player for the first time.The 19-year-old Australian will play in an NBA Summer League game on Monday, when he will face a Boston Celtics squad filled with young, jealous and desperate players aiming to take him down.Celtics rookie guard Jaylen Brown, who sat in Brooklyns Barclays Center at the recent NBA Draft and watched as Simmons was selected No. 1 by the 76ers, told reporters he was ready to rip somebodys head off.Simmons and Brown, picked third by the Celtics, will each make their much-anticipated debut in the NBA Summer League game in Salt Lake City, Utah.The last obstacle preventing Simmons from taking to the court was erased when the 76ers announced on Sunday that he had signed his rookie contract worth more than $US 16 million ($Aus21.5 million) through the next three years..The 76ers will play three Summer League games in Salt Lake City this week before they join 23 other NBA teams for the 10-day Las Vegas Summer League tournament.Summer League teams are made up of recently acquired draft picks, second-year players and desperate young free agents hoping to score a contract, just as undrafted Australian guard Matthew Dellavedova did three years ago with the Cleveland Cavaliers.ddddddddddddSimmons, as the top draft pick, will have a bounty on his head, with opposing players looking to outplay the Australian.Brown, in particular, has not hidden his dislike for the 76ers decision to take Simmons ahead of him.At a Celtics basketball camp for children last week a video went viral of Brown playing a young boy in a game of one-on-one.Brown dunked on the boy when the boy taunted him with: You aint good. Ben Simmons is better.Simmons will also go head-to-head with the Celtics 23-year-old second-round 2015 draft pick Marcus Thornton, who spent last year with the Sydney Kings in the NBL in Australia.Watch Ben Simmons make his Philadelphia 76ers debut against Boston Celtics LIVE on Watch ESPN?on Tuesday July 5 from 9am (AEST) ' ' '