FOXBOROUGH – Efton Chism III’s NFL debut will have to wait.

The Patriots undrafted free agent is among those inactive on Sunday. The rookie slot receiver starred in training camp, earning a spot on the team’s 53-man roster. However, Chism is also behind five receivers: Stefon Diggs, Kayshon Boutte, DeMario Douglas, Mack Hollins, and Kyle Williams.

This past week, Patriots receiver coach Todd Downing said Chism has been impressing behind the scenes.

“He’s learning his pro routine. He’s tied at the hip with Mack (Hollins), so those two are together all the time,” Downing said. “He’s learning how to prepare his body. He’s learning how to recover from heavy loads on practice days and things like that.

“He’s also learning to be versatile throughout the whole offense, not just playing

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