San Antonio Spurs rookie guard Dylan Harper suffered a left calf strain on Sunday and is expected to miss multiple weeks, sources told ESPN's Shams Charania on Monday.

Harper suffered the injury while defending a Nick Richards dunk in the second quarter of a 130-118 loss to the Phoenix Suns . An MRI on Monday revealed the strain.

After falling awkwardly on a block attempt, Harper winced after walking toward the bench. Upon checking out, the rookie headed to the locker room with a member of San Antonio's medical staff and was later ruled out. He was seen leaving the arena after the game in crutches and a walking boot.

The Spurs are already without veteran point guard De'Aaron Fox , who hasn't yet played in a game this season because of a hamstring injury suffered during the summ

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