New York Giants defensive end Osi Umenyiora continued to sit out practice on Thursday, but it seems the reason is physical. The team announced that Umenyiora is not practicing "because he says he has a sore knee." Umenyiora has an issue with his meniscus, which can be managed and does not require immediate surgery, a source confirmed. The Wall Street Journal first reported the injury. Umenyiora, who is mired in a contract dispute with the Giants, could opt for surgery, which would likely take four to five weeks of recovery time, according to a source. Umenyiora has not practiced since joining the team Saturday. Read more: http://espn.go.com/new-york/nfl/sto...yiora-sits-new-york-giants-practice-sore-knee