The scoring play with 12:15 remaining handed the Browns (4-6) a 14-7 advantage and, after the Jaguars kicked a field goal, Cleveland's defense held tough in the closing seconds to seal the victory.
On the game's final series, a pass interference call on Joe Haden resulted in a 1st-and-10 for Jacksonville from the Browns' 14.
Gabbert again misfired on the final play of the game, sealing the win for the Browns.
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