Tommy Gilligan-USA TODAY Sports

Buffalo wide receiver Jamison Crowder suffered a left broken ankle in the Bills' win over the Baltimore Ravens, NFL Network reported Monday.

Crowder is having more tests done to determine what other damage he might have incurred, per the report. He will be out indefinitely.

Crowder was on crutches and in a walking boot after Sunday's game. He was carted off the field and his foot placed in an aircast after a punt return early in the third quarter of Buffalo's 23-20 win over the Ravens.

He had one catch for seven yards before exiting. Crowder has six receptions for 60 yards in four games this season. He also has nine punt returns for 100 yards.

The Bills also lost wide receiver Isaiah McKenzie in the third quarter. He was ruled out for the rest of the game with a concussion. McKenzie had four catches for 21 yards and a touchdown before leaving.

McKenzie has 15 catches for 153 yards and three TDs in four starts this season.

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