The Patriots will again be without starting cornerback Alfonzo Dennard in Sunday’s showdown with the Denver Broncos, and potentially longer than that, after he recently underwent a minor procedure on his meniscus, a league source confirmed to the Globe.

In addition to Dennard, the Patriots could also be without strong safety Steve Gregory (broken thumb) for the second straight game. Cornerback Aqib Talib also left Monday’s loss to Carolina early with an injury, and cornerback Kyle Arrington suffered a leg injury in the third quarter as well.

The injuries are ill-timed with the Broncos and their No. 1-rated passing attack coming to Foxborough on Sunday night. The Texans, Browns and Dolphins come next on the Patriots’ schedule.

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It is unclear what happened to Dennard, who had played more than 92 percent of snaps this season prior to missing Monday night’s loss to Carolina. He was listed as limited in practices on Thursday and Friday last week on the injury report, but did not practice Saturday and was declared out.

Dennard played in 71 of 75 snaps in Week 9 against the Steelers, and the Patriots had a bye in Week 10. Dennard previously missed three weeks of the preseason with a knee injury, and also left the Week 2 game against the Jets early.