Razorbacks Lose Marshawn Powell To Torn Knee Ligaments by Chris Bahn Posted 11/22/2011 10:59 am Updated 7 years ago Arkansas will be without the services of junior forward Marshawn Powell this season. He's out 6-8 months with torn knee ligaments. Want the Full Article? Get Unlimited Archive Access for $19.95 per Year Readers must pay to access articles older than 15 days. Articles newer than 15 days are not included in this offer. Purchase Now Already have archive access? Login to view this article.