as chosen to leave the program and enter the NFL draft.Defensive coordinator Mike Stoops made the announcement after Tuesdays practice.Walker, a seco

NORMAN, Okla. -- Oklahoma defensive lineman Charles Walker has chosen to leave the program and enter the NFL draft.Defensive coordinator Mike Stoops made the announcement after Tuesdays practice.Walker, a second-team All-Big 12 pick by the coaches last season, missed the national semifinal last season against Clemson with a concussion. This season, Walker played in only four games, also because of a concussion. As of Monday, his playing status was uncertain, and he was to meet with trainers.Walker is the second defensive lineman the Sooners lost for good this week. Coach Bob Stoops announced Monday that Matt Dimon and the program have agreed to part ways. Dimon has suffered from a strained Achilles and hasnt played since the Ohio State game in September. Cory Spangenberg Jersey . LOUIS -- Cardinals cleanup hitter Allen Craig says hes recovered from a foot injury and ready to be put on St. Jose Pirela Jersey .Y. -- Jayna Hefford scored the winning goal Friday as Canada survived a scare with a 4-3 win over Sweden at the Four Nations womens hockey tournament. http://www.cheappadresjerseys.com/?tag=cheap-carlos-asuaje-jersey . Reassurance came from Paul Tesori, his caddie and close friend whose newborn son is in intensive care in a Florida hospital. "Paul sent me a text this morning, just told me he loved me and wanted to go out and fight as hard as I would any other day," Simpson said Sunday after doing just that. Craig Stammen Jersey . "I wrote 36 on my sheet at the beginning of the game," the Cincinnati coach said, referring the yard line the ball would need to be snapped from. Tyson Ross Jersey . -- Edmontons Val Sweeting is two wins away from a trip to Winnipeg to play in Canadas Road of the Rings in December. Hawthorn defender Grant Birchall has turned his back on AFL free agency, the Hawks announcing on Thursday he had signed a contract extension.Birchall was due to become an unrestricted free agent at the end of next season, but agreed to a deal that ties him to the club until the end of 2019.Grant is a really important player for us and a vital member of our back line, list manager Graham Wright said.He has been a part of this club for over 10 years now and we were really keen to retain him.We are really pleased that Grant has signed on for another two seasonss and believe he has plenty of good footy ahead of him.dddddddddddd.It is understood Birchall signed the new contract some time ago, with the club waiting to announce the deal after a turbulent trade period that saw fellow veterans Sam Mitchell and Jordan Lewis depart for West Coast and Melbourne respectively.The 28-year-old has played 240 AFL games since debuting in 2006 and has featured in the Hawks past four premiership teams. ' ' '