The third-year pro made the Pro Bowl in 2014 but sat out last season with a groin injury.
In 2014 with the Eagles, Parkey set the NFL rookie record with 150 points, making 35 of his 40 kicks.
But the third-year pro, who lost the Eagles job in camp to Caleb Sturgis, practiced with the Browns for the first time in pre-game warmups, and wasn't up to the task.
He pushed his first attempt wide left, a 41-yarder in the first quarter with the Browns trailing 7-0.
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