The NRL will consider introducing a captains challenge for the 2017 season in what could be a major shake-up of the video review system.The initiative will be trialled for the first time in a NRL game in this Saturdays final-round match between St George Illawarra and Newcastle.It will also be used in the under-20s finals series with a view to bringing it in next year.If its successful, we will look at it to maybe put into the game next year, NRL chief executive Todd Greenberg said.Im not saying its definitely coming through but were very hopeful of the concept.The initiative allows the bunker to review a try/no-try decision if one of the captains believes it to be incorrect.Both the Knights and Dragons agreed to the trial with both sides out of the race for the top eight heading into the final round.It has been endorsed by the NRL competition committee and the ARL Commission and will be reviewed following the end of the season.A captains challenge would take heat off the bunker video review system, which has copped criticism from fans and pundits in its first year.The concept has previously been used in the under-20s competition as well as other sports such as cricket and tennis.Greenberg said the game was only ready to look at for use in its senior competition because the bunker was in place.We trialled this in the 20s for a number of years but we didnt have the technology to support it, Greenberg said.Now we have the technology to use.Weve been working on this quietly for a couple of months and were ready to trial it, he said.CAPTAINS CHALLENGE:How the captains challenge will work:* The captain is allowed to challenge a referees decision in relation to tries and, if challenged, will be sent up to the bunker* Each team is allowed one incorrect decision per half. There is no limit on challenges if a captain continues to make successful challenges* Captains will have 20 seconds following a try/no try to contest the decision* No replays will be shown on a big screen at the ground until the time allowed for requesting a captains challenge has elapsed* Captains may challenge a try decision based on groundings, knock-ons, obstruction, double movement, offside, touchline/deadball line, tackle in the air, steals involving two or more defenders, foul play Richard Sherman Super Bowl Jersey . -- Stanford squashed Oregons national championship hopes again, schooling the Ducks in power football. Ronnie Lott Super Bowl Jersey ., for the next three years with the signings on Monday of Daryl Townsend and Michael Carter. https://www.49ersrookiestore.com/49ers-Joe-Staley-Jersey/ . 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RIO DE JANEIRO -- Middle Eastern politics spilled onto the judo mat Friday at the Rio de Janeiro Olympics when an Egyptian competitor refused to shake hands with the Israeli who beat him.Islam El Shehaby, an ultraconservative Salafi Muslim, had come under pressure before the games from Islamist-leaning and nationalist voices in Egypt to withdraw from the first-round heavyweight bout against Or Sasson.With about a minute and a half left in the bout, Sasson earned an automatic victory with two throws of El Shehaby.The Egyptian lay flat on his back for a moment before rising and standing opposite Sasson in front of the referee. When Sasson extended his hand, El Shehaby backed away, shaking his head.The referee called the 34-year-old El Shehaby back to the mat and obliged to him to bow; he gave a quick nod and was loudly booed as he exited.Competitors in the Japanese martial art typically bow or shake hands at the beginning and end of a match as a sign of respect.El Shehaby refused to comment.Sasson advanced to the semifinals, where he lost to eventual champion Teddy Riner of France. In the repechage competition, however, he won a bronze medal.Later, Sasson said his coaches had warned him that El Shehaby might refuse to shake his hand even though the two have never fought before.I knew he would do it, so it wasnt a surprise for me, he said. But I cannot say anything. This was his decision.Having been taught that one of the first principles of judo was to respect ones opponent, Sasson said it was a little bit weird that El Shehaby declined to shake his hand, although the gesture didnt affect him.For me, it doesnt matter because Im a professional fighter, he said.Sasson, 25, described Friday as a difficult day after four years of preparation but that he was satisfied with the outcome.Now Im thinking only about my medal, he added.The International Olympic Committee set up a disciplinary commission to look into the incident.Things happen in the heat of the moment that are not acceptable, IOC spokesman Mark Adams said. We believe the Olympic movement should be about building bridges, not erecting walls. Theres absolutely no excuse for it.He acknowledged that sometimes athletes cant bring themselves to shake hands with their competitors.Its a shame if that happens, Adams said.The International Judo Federation called it a sign a progress that the bout even took place between the two athletes.This is already a big improvement that Arabic countries accept to (fight) Israel, spokesman Nicolas Messner said in an email. The competitors were under no obligation to shakee hands, but a bow is mandatory, he added.ddddddddddddEven though El Shehaby ultimately bowed, his attitude will be reviewed after the games to see if any further action should be taken, Messner said, adding that the ethics commission of judos governing body would review the incident after the Olympics.Ofir Gendelman, Arabic language spokesman for the Israeli Prime Minister Benjamin Netanyahu, called the incident shocking. In a Twitter post, he said it goes against the spirit of Rio 2016, writing in Arabic said that sports are not the field for politics and extremism.Egypts Olympic Committee distanced itself from what El Shehaby did, saying he was alerted before the match to abide by all the rules and to have sporting spirt during his match with the Israeli player.What the player did after the match, and not shaking hands with his rival, is a personal action, the committee said in a statement.Similar incidents have happened before between Israeli and Arab judo athletes. At the quarterfinals of the 2011 judo Grand Slam in Moscow, Egyptian Ramadan Darwish refused to shake hands with Israeli Arik Zeevi. The next year, Darwish again declined to shake hands with Zeevi after beating the Israeli in their quarterfinal match at a tournament in Dusseldorf.On Thursday, Moutaz Matar, a TV host of the Islamist-leaning network Al-Sharq, had urged El Shehaby to withdraw.My son, watch out. Dont be fooled, or fool yourself, thinking you will play with the Israeli athlete to defeat him and make Egypt happy, he said. Egypt will cry; Egypt will be sad and you will be seen as a traitor and a normalizer in the eyes of your people.Egyptians clearly were divided before the match over whether El Shehaby should compete or withdraw, and there was a mixed reaction on social media afterward. Many blamed him for embarrassing the country, although some felt sympathy for El Shehaby, saying he was put under a lot of pressure.In a Facebook post, journalist Galal Nassar said: As long as you agreed to play an Israeli champion in the Olympics, you should have exchanged the greeting.He wrote that El Shehabys move backfired, and the Israeli athlete ended up with more sympathy. We have lost in terms of sports and politics, Nassar said.Egypt was the first country in the Arab world to sign a peace treaty and normalize relations with Israel after decades of war.---Michael reported from Cairo. AP Sports Writer Stephen Wilson in Rio de Janeiro contributed to this report. ' ' '