Bengals receiver A.J. Green left practice during warmups Wednesday after appearing to aggravate his injured right big toe.
Green has been bothered by the injury since the season opener. He missed most of a game against Atlanta the following week, but has played in the last two. He had five catches for a team-high 81 yards and a touchdown during a 43-17 loss at New England on Sunday night.
Green was going through warmup drills at the start of practice when he stopped, removed his right shoe and threw it to the ground angrily. He put the shoe back on and limped slightly as he walked to a cart and left practice.
The Bengals (3-1) host Carolina (3-2) on Sunday.
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