. ♪ ♪ >> eric: back now with sunday housecall.ning more about the horrible injury that the basketball player kevin ware suffered in game last week. some experts say it's a leg fracture that could have been exacerbateed by previously undetected stress fractures in his leg. dr. siegel, what does it tell us when we play sports? little fractures can lead to horrible thing? >> first, we don't know that. this could also happen with nothing predisposing it, no stress fractures, no vitamin t d deficiencies or callum deficiencies. he may just have landed the wrong way with 2,500 pounds of force on it, according to computer measurements. but it doesn't usually happen in basketball. it usually happens in a car accident or in parachute jumping, this kind of a fracture where the bones literally separate and one comes out of the skin. you get so much potential for debris there, the biggest thing i worry about is infection. right after the fact, what they did to get him in to surgery right away and get this fixed, everything had to go right. but