The Saints are down two starting cornerbacks, but the latest news isn’t the worst-case scenario originally feared.

Saints coach Sean Payton said Monday injured CB Tracy Porter, who sustained a left knee injury in Sunday’s 28-23 win over the Rams, has a sprained medial collateral ligament. There is no timetable on Porter’s return, according to Payton, but he is expected back this season.

“I’m excited for Tracy, because it’s not finite,” Payton said. “Obviously we were all concerned. But we’ll see where we’re at.”

The undefeated Saints played without their other starting cornerback, Jabari Greer, who sat out with a groin injury. Staring FS Darren Sharper also missed the game due to a knee injury.