Man, I hate to say it but I was kinda concerned something like this might happen. Hopefully it won't be one of those things that nag him all season long. Good luck big, guy!
UPDATE: Looks like Mr. Dorsey will only miss a week due to his sprained left knee... Glad to see it wasn't anything more serious.. http://sports.yahoo.com/nfl/news;_y...YF?slug=ap-chiefs-dorseyout&prov=ap&type=lgns