The Spring Tour of Wallabies rookie Adam Coleman hangs in the balance after the lineout general suffered a potentially serious knee injury in the last-ditch win over Scotland.Coleman crumpled to the ground five minutes into Saturdays (Sunday AEDT) victory when a ruck collapsed around him and he copped a bump to his left knee.The 25-year-old, who was immediately forced from the field, suffered medial ligament damage in the incident and underwent scans in Edinburgh on Saturday night after the match.He will travel with the team to Paris on Sunday and coach Michael Cheika and the team expect to know by Monday whether Colemans tour is over.Hell go and get some pictures now and then well see what that presents for him, whether he can stay on or whether hell have to go home, Cheika said.Should Colemans injury be serious, it will be a heavy blow to the Wallabies grand slam ambitions.Despite Saturdays win over Scotland being just his ninth Test, Coleman has quickly become an integral part of Cheikas plans - taking on board the lineout calling duties and forming a brilliant young locking combination with fellow rookie Rory Arnold.There were some wobbles with the Wallabies lineout after Colemans exit on Saturday - but captain and hooker Stephen Moore said he was pleased with the performance of the experienced Rob Simmons, who played 75 minutes after coming off the bench, took over the lineout calling and will likely step into the starting team if Coleman is unavailable.I thought Simmo did well when he came on and he played pretty much played the full game there which is always when you come on really early in the game, Moore said.Unfortunately Adam went off so thats a big effort.Kevin Faulk Patriots Jersey . 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Kyle Palmieri scored two straight goals in the third period to rally the Anaheim Ducks past the Philadelphia Flyers 3-2 on Tuesday night.RIO DE JANEIRO -- The International Olympic Committee calls its president and executives volunteers.They receive no salary but do collect substantial cash handouts: a $250,000-annual allowance for volunteer president, Thomas Bach, and $900 per diems for executives on IOC business.However, when IOC spokesman Mark Adams said Thursday that volunteers are the backbone of the games he wasnt talking about his bosses in the Olympic movement.Theres another variety of volunteers who are the lifeblood of every Olympics -- ones who arent ensconced in the lavish hotels, wined and dined by the great and the good, and enjoying the best seats at any event in Rio.Theyre the people who pay their own way to Rio -- often crossing the globe at great personal expense- while finding and funding their own accommodation.There are no per diems for these volunteers -- just food when they work -- and they fill often thankless roles far away from the sporting action, from manning information desks to driving people around.Its little wonder some dont stick around after collecting the head-to-toe leisurewear uniform. Some 15,000 volunteers a day arent showing up for their unpaid but essential jobs.Of the 50,000 volunteers involved in the delivery of the Olympic Games, we have an average attendance rate of just over 70 percent, Rio organizers told The Associated Press. This number allows us to operate at a comfortable level as some volunteers not showing up was factored into our plans.Organizers scrambled to add another 180 drivers to the workforce on Monday as shortages hit the transport network, Rio Games spokesman Mario Andrada said. It was a paid driver on the media bus that was attacked by stones in Rio, but other drivers are exposing themselves to potential dangers are being paid nothing.Its a risky business relying on a workforce for an event that isnt under coontract.ddddddddddddIf we have a tough day, Andrada said, next morning some of them dont show up.The IOC could afford to pay volunteers, given the organizations revenue is set to reach $5.6 billion for the four-year period ending in 2016, while sitting on cash reserves of $874 million.But the IOC has stressed its not an issue of setting aside $100 million, for example, to ensure every games worker is paid but preserving the spirit of volunteerism.The IOC said it redistributes more than 90 percent of its income, equating to $3.25 million a day, said Adams, the organizations paid media chief in Rio.And Adams points out: Even the president is an unpaid volunteer of this organization. The IOC members are all unpaid volunteers.But spending three weeks in Rio for pre-games meetings and the Olympics would earn 14 members of the IOC executive board more than $20,000 each. The next tier of regular IOC members can rake in around $10,000 in per diems at an event where so much free food and drink is provided on top of their hotels.The disparity between the IOCs paid volunteers and the volunteers who drive them around and tend to their needs is clear.But games organizers are oversubscribed with willing volunteers, rather than having to beg people to work for nothing.The number of volunteers we have and the great spread of volunteers we have means we cant fund them in that way (like IOC members), Adams said. They get other kind of perks of course and they get the perk of being at the games. ... They get a great deal out of being volunteers and being a member of the Olympic movement for that short period is tremendously rewarding.---Rob Harris can be followed at www.twitter.com/RobHarris and www.facebook.com/RobHarrisReports ' ' '