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 is experiencing a career-worst start to his career, highlighted by his nine league defeats in six games. Leading up to the trade, Cooper managed just 250 yards and two touchdowns on 24 catches with the Browns.

Much of that lack of production also inevitably stems from the problems of Watson, who has been among the league’s worst at several points this season. And Cooper may have been referring to that when he posted to his Instagram“Move or rust” after the transaction was completed.

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Rust, of course, is a common phrase that has become almost ingrained in the minds of those who follow the Browns. It has been used time and time again to dismiss Watson’s struggles since the blockbuster trade brought him to Cleveland. In a three-word post, that’s one of the words Cooper chose to summarize the transaction.

It seems unlikely that this was an unintentional use of the word in this case.

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