Arkansas' Powell out with knee injury

Arkansas scoring leader Marshawn Powell will not play in Friday night's game against Houston because of a knee injury.

The junior forward was injured during practice Thursday.

''It's a severe knee injury,'' Arkansas coach Mike Anderson said on his pregame radio show. ''We're going to have some further examination done to determine the extent.

''It's a tremendous loss for a guy who has worked extremely hard to get in the best shape of his career.''

Powell has battled injuries throughout his career at Arkansas. He missed the entire 2010-11 preseason and three games last year with a broken foot, which he reinjured last spring.

The Virginia Beach, Va., native was averaging 19.5 points and 6 rebounds this season for the Razorbacks (2-0).