A sports doctor explains why Zach Edey needed surgery for a sprained ankle, when he can rehab and what's next for the Memphis Grizzlies center.

While his injury comes as a huge blow, the Grizzlies confirmed via social media on Tuesday that, following imaging that revealed excessive ligament laxity, Edey underwent surgery to stabilize his left ankle. He is expected to be sidelined for four months, with the extent of his recovery to be evaluated following that period.

The Memphis Grizzlies enter the offseason with a setback as standout rookie Zach Edey begins recovering from ankle surgery. The 7-foot-4 center suffered a left ankle sprain during an offseason workout,