Panthers kicker Graham Gano has been ruled out for Sunday's game in Cleveland, the team reported Friday.
Carolina has signed Chandler Catanzaro, a five-year veteran who was released last month by the Buccaneers.
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"Graham has been dealing with a sore knee," head coach Ron Rivera said Friday, via the team's website. "Yesterday it was really bothering him. This is where we are right now."
Gano, a 2017 Pro Bowl selection, has hit 14-of-16 field goal attempts this year, none bigger than the 63-yard game winner he hit in Week 4 against the Giants.
The Panthers (6-6) have lost four straight and desperately need a victory Sunday against the Browns (4-7-1).