HOUSTON -- Jadeveon Clowney, the No. 1 overall pick of the Houston Texans, will be out 4-6 weeks after arthroscopic surgery on his right knee Monday. Coach Bill OBrien said he didnt know exactly what was repaired in Clowneys knee when asked if it was a torn meniscus. "Im not a doctor so I dont know," OBrien said. "Its just something they went in there and tried to fix it. It seems like it went well." Clowney, who had one tackle for a loss, was injured late in the second quarter in Sundays win over the Washington Redskins. He was hurt when he jumped up to try and bat down a pass. He put his hand to his right knee and began limping after he landed. Some have speculated that his foot slipped between one of the 8-by-8-foot palettes of real grass that make up Houstons field. If that was the case, OBrien said he didnt know about it. "He didnt say anything to me about that," OBrien said. "From looking at all the angles on film, he just came down awkwardly. Most of those types of injuries are non-contact." Some of the Texans talked to Clowney on Sunday night and said they felt for the rookie. "Thats just something you dont want to happen as a rookie, as anybody really," safety D.J. Swearinger said. "But as a rookie coming in having a lot of the hype that he has, thats something he doesnt want to happen. I feel his frustration." This isnt the first problem for Clowney, who has struggled to stay on the field since joining the Texans. He left a dual practice Aug. 20 after a helmet-to-helmet hit with Denver Broncos tight end Jacob Tamme. He missed the Texans final two preseason games, but said he passed the NFL protocols for head injuries in just over a week. He had to sit out the beginning of camp, too, after off-season surgery to repair a sports hernia. Hell be replaced by Whitney Mercilus, the 26th pick in the 2012 draft, who started each game last season and had 47 tackles and seven sacks. OBrien was impressed with his play after he took over on Sunday after Clowney was injured. "He got pressure on the quarterback, played the run well and he just has to continue to get better and better," OBrien said. "And I think hell do that." Mercilus struggled early in camp in the first season under defensive co-ordinator Romeo Crennel. Hes recently turned a corner and the Texans have noted a change in his play. "I think hes learning the scheme," OBrien said. "Its different than what he played in the previous scheme. Its not the easiest thing to learn right away for some players. Hes improved the last two weeks." The Texans drafted Clowney after a three-year career at South Carolina where he had 130 tackles, 24 sacks, 47 tackles for losses and 20 quarterback pressures. He also caused a school-record nine fumbles and deflected seven passes. The 21-year-old also set a South Carolina record with 13 sacks in 2012. The travel to face the Raiders on Sunday. Air Max 97 Cheap Online . - Whether its because of her improved play or the reason for it, Michelle Wie appears as comfortable on and off the golf course as at any time in her career. Air Max 97 Clearance . Rob Klinkhammer and Mikkel Boedker scored 63 seconds apart in the first period for the Coyotes, who handed the Kings their third straight loss and took over sole possession of eighth place in the Western Conference. Mike Smith made 36 saves. http://www.cheapairmax97.net/. Nainggolan scored his first Italian league goal at Bologna, in October 2010, and he also opened his Roma account there following his January move from Cagliari. The Belgium midfielder volleyed home Miralem Pjanics cross from close range eight minutes from time. Air Max 97 Cheap Sale . Viewers in the Canadiens region can watch the game on TSN at 7:30pm et/4:30pm pt and listen on TSN 690. The Canadiens have won three in a row and four of their last five games and recently put the finishing touches on a 3-1-0 road trip. Buy Air Max 97 Cheap . Not only that, when Julian de Guzman first stepped on the pitch for Deportivo de la Coruna he became the very first Canadian to play in Spains top tier.MELBOURNE, Australia - A new format called Fast4, which some have dubbed disco tennis, was again on display Wednesday with a recovering Rafael Nadal happy to be on the dance floor.The occasion was the official opening of the newly renovated Margaret Court Arena that will give the Australian Open, which starts on Monday, its third stadium with a retractable roof.On Wednesday, 7,500 fans crammed into the arena for a benefit night for the Rafa Nadal Foundation, which assists socially disadvantaged youth.It also showcased the Australian-developed Fast4, which features major rule variations to speed up the action for players and fans — no advantage scoring, lets are played, and the first to win four games wins the set.The often no-nonsense Nadal, introduced to the crowd through a haze of dry-ice smoke and loud music, clearly enjoyed the new format. He joked with the spectators on numerous occasions aand once playfully hit a ball into the crowd when someone interrupted him during a serve.ddddddddddddHe also took selfies with his mobile phone.Earlier, Nadal trained at Melbourne Park, indicating he might be overcoming health and injury issues.Nadal was sidelined for three months with a right wrist injury after Wimbledon. He briefly returned in Beijing in late September, advancing to the quarterfinals. He then had appendix surgery in early November, which he is still recovering from, saying last week in Qatar that he was far from 100 per cent.This is the third comeback of my career after injury, so we will see how it goes, Nadal said.On Wednesday night, playing Fast4, he beat former Australian player Mark Philippoussis in 15 minutes, and won 3-2 against Fernando Verdasco, who earlier in the day beat Gilles Simon in straight sets across town at the Kooyong exhibition tournament. ' ' '