The Cleveland Browns traded wide receiver Amari Cooper to the Buffalo Bills on Tuesday afternoon, but he may have taken a shot at quarterback Deshaun Watson on the way out.

Cooper endures the worst start of his career, brought on by nine drops in six games as the league leader. Leading up to the trade, Cooper averaged just 250 yards and two touchdowns on 24 catches with the Browns.

Inevitably, a large part of this lack of performance can also be attributed to the struggles of Watson, who has been among the worst in the league in various metrics this season. And Cooper may have been referring to that when he posted to his Instagram“Move or rust” after the deal is made.

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Rust, of course, is a common expression that has become almost ingrained in the minds of those who follow the Browns. It has been used time and time again to relieve Watson of his struggles since the blockbuster trade brought him to Cleveland. In a three-word post, this is one of the words Cooper used to sum up the trade.

The likelihood that this was an unintentional use of the word seems slim.

This article originally appeared on Browns Wire: Amari Cooper may have shot Deshaun Watson on his way out the door